CHANGELOG — Backbone comparison and downstream evolution (compnet-2025-redo-main → COMPNET-EN-main → COMPNET-EN-main_PHASEC_plus_more_labs_QAfix)

Originally prepared on 25 February 2026. Extended on 28 February 2026.

This document is a snapshot-level changelog that compares two repository archives:

Backbone (upstream): compnet-2025-redo-main.zip (from hypothetical-andrei/compnet-2025-redo)
Derived course kit (downstream): COMPNET-EN-main.zip (from antonioclim/COMPNET-EN)

Extension note (28 February 2026). Sections 10–14 add a second audit layer for the next downstream comparison: COMPNET-EN-main.zip → COMPNET-EN-main_PHASEC_plus_more_labs_QAfix.zip. Part I (Sections 1–9 and Appendices A–E) is preserved, and Part II appends the cumulative Phase A/B/C, registry-expansion and QA-hardening delta.

The intent is to provide an audit-grade description of what was preserved, what was refactored, what was renamed and what was newly introduced. The emphasis is on functional artefacts (Python scripts, Docker Compose files, configuration files and build scripts) and on the pedagogical restructuring (lectures, seminars, projects and supporting tooling).

1) Scope, method and terminology

1.1 Scope

The comparison is performed at the level of:

folders and subfolders (repository structure)
files (presence, absence, relocation and renaming)
text content (line-level and token-level statistics)
executable artefacts (Python scripts, shell scripts and Docker related configuration)
diagram sources (PlantUML) and their rendered artefacts (PNG)

No Git history is used. All conclusions are grounded in the two supplied .zip snapshots.

1.2 Method (verifiable)

The analysis uses three complementary lenses:

Path-based comparison
A strict comparison of relative paths (what appears as “added” or “removed” when paths change).
Content-based comparison (SHA-256 identity)
A file is treated as reused verbatim if its SHA-256 hash matches exactly across the two archives, regardless of its path.
Subtree-level scenario comparison
For teaching and laboratory scenarios, subtrees are compared file-by-file, classifying files as unchanged, modified, added or removed and quantifying approximate line deltas for text files.

2) High-level repository equivalence

2.1 Snapshot metrics

Metric	compnet-2025-redo-main	COMPNET-EN-main
Archive name	compnet-2025-redo-main.zip	COMPNET-EN-main.zip
Total files	501	1193
Total size (bytes)	17669827	8153843
Total size (MiB)	16.85	7.78
Text files (UTF-8 decodable)	414	1184
Total text lines	25387	169685
Total text words (heuristic)	75152	914880
Symlinks	0	0

Key observation: COMPNET-EN-main is materially smaller on disk (7.78 MiB) than the backbone (16.85 MiB) despite containing more than twice as many files. The reduction is driven primarily by the removal of heavyweight binary artefacts such as assets/tools/plantuml.jar and by the elimination of pre-rendered PNG diagrams.

2.2 Structural footprint

Top-level folder distribution:

Top-level	compnet-2025-redo-main	COMPNET-EN-main
(root)	1	12
assets	500	0
00_APPENDIX	0	132
00_TOOLS	0	176
01_GUIDE_MININET-SDN	0	3
02_PROJECTS	0	193
03_LECTURES	0	320
04_SEMINARS	0	356
.github	0	1

At a path level, the two repositories are not structurally isomorphic. The backbone concentrates content under a single assets/ root. The downstream kit reorganises material into explicit top-level domains (00_APPENDIX, 00_TOOLS, 01_GUIDE_MININET-SDN, 02_PROJECTS, 03_LECTURES and 04_SEMINARS), plus GitHub automation under .github/.

2.3 File type comparison

Selected extensions (counts):

Extension	compnet-2025-redo-main	COMPNET-EN-main
md	135	379
puml	84	386
py	118	138
yml	16	19
yaml	0	4
sh	23	51
html	9	100
png	85	1
jar	1	0
pptx	1	0
json	2	30
proto	1	1
pyc	0	6
xlsx	0	1
conf	6	6
env	1	1
zone	1	1
(no ext)	12	54

Two points have direct operational impact:

The backbone carries a large Java archive (.jar) and many .png diagrams. COMPNET-EN-main largely replaces these with source-first diagrams (.puml) and supporting tooling.
COMPNET-EN-main introduces formatting infrastructure (package.json, .prettierrc, format-offline.js) and quality assurance scripts under 00_TOOLS/qa/.

3) Backbone continuity statement (with evidence)

Although the directory layout is extensively refactored, the downstream kit retains the backbone’s core executable laboratory artefacts as a recognisable base.

3.1 Verbatim reuse of functional artefacts

The table below is restricted to artefact families that materially affect runtime behaviour:

Artefact family	Old count	New count	Old reused verbatim in new	Evidence
Python scripts (.py)	118	138	38	SHA-256 identity across archives
Compose and YAML (.yml, .yaml)	16	23	8	SHA-256 identity across archives
Shell scripts (.sh)	23	51	11	SHA-256 identity across archives
Nginx and DNS config (.conf, .zone)	7	7	6	SHA-256 identity across archives
PlantUML sources (.puml)	84	386	0	No identical PlantUML sources detected
Rendered images (.png)	85	1	0	Binary artefacts mostly removed

Interpretation:

Python and YAML artefacts are partially preserved verbatim (38 Python scripts and 8 YAML files).
Most PlantUML sources and Markdown files are rewritten, which is consistent with a translation and pedagogical reframing effort rather than a simple reorganisation.

3.2 Structural mapping: backbone → course kit

The downstream repository implements a stable mapping from the backbone’s “asset buckets” to explicit teaching domains:

flowchart LR
  subgraph Backbone["compnet-2025-redo-main (backbone)"]
    A[assets/]
    A1[assets/course/c1..c13]
    A2[assets/tutorial/s1..s13]
    A3[assets/tutorial-solve/]
    A4[assets/tools/]
    A5[assets/current-outline.md]
  end

  subgraph Downstream["COMPNET-EN-main (course kit)"]
    B[Repository root]
    B1[03_LECTURES/C01..C14]
    B2[04_SEMINARS/S01..S14]
    B3[04_SEMINARS/_tutorial-solve/]
    B4[00_TOOLS/plantuml, 00_TOOLS/qa and 00_TOOLS/release]
    B5[current-outline.md]
    B6[00_APPENDIX and 02_PROJECTS]
  end

  A1 --> B1
  A2 --> B2
  A3 --> B3
  A4 --> B4
  A5 --> B5
  A --> B

This refactor causes a near-total path delta (only .gitignore is shared by path), but it does not imply content discontinuity. Content continuity must be assessed through SHA-256 identity and scenario subtree comparisons.

4) Lecture and seminar coverage

4.1 Lecture backbone retention (c01–c13)

The backbone contains content for 13 lectures (c1–c13). The downstream kit retains those lectures and introduces C14 explicitly.

The main lecture markdown files are mapped by lecture number, with translation and expansion evidenced by word and line deltas:

Lecture	Old path	New path	Old lines	New lines	Δ lines	Old words	New words	Δ words
C01	assets/course/c1/c1-fundamente-retele.md	03_LECTURES/C01/c1-network-fundamentals.md	203	206	3	429	459	30
C02	assets/course/c2/c2-modele-arhitecturale.md	03_LECTURES/C02/c2-architectural-models.md	350	354	4	668	690	22
C03	assets/course/c3/c3-introducere-programare-retea.md	03_LECTURES/C03/c3-intro-network-programming.md	151	155	4	456	529	73
C04	assets/course/c4/c4-fizic-si-legatura-de-date.md	03_LECTURES/C04/c4-physical-and-data-link.md	292	292	0	830	922	92
C05	assets/course/c5/c5-nivelul-retea-adresare.md	03_LECTURES/C05/c5-network-layer-addressing.md	224	235	11	731	802	71
C06	assets/course/c6/c6-nat-arp-dhcp-ndp-icmp.md	03_LECTURES/C06/c6-nat-arp-dhcp-ndp-icmp.md	224	225	1	718	808	90
C07	assets/course/c7/c7-protocoale-de-rutare.md	03_LECTURES/C07/c7-routing-protocols.md	183	187	4	594	649	55
C08	assets/course/c8/c8.md	03_LECTURES/C08/c8-transport-layer.md	456	464	8	939	1039	100
C09	assets/course/c9/c9.md	03_LECTURES/C09/c9-session-presentation.md	207	219	12	545	656	111
C10	assets/course/c10/c10.md	03_LECTURES/C10/c10-http-application-layer.md	301	329	28	753	986	233
C11	assets/course/c11/c11.md	03_LECTURES/C11/c11-ftp-dns-ssh.md	315	314	-1	626	684	58
C12	assets/course/c12/c12.md	03_LECTURES/C12/c12-email-protocols.md	406	424	18	600	779	179
C13	assets/course/c13/c13.md	03_LECTURES/C13/c13-iot-security.md	247	237	-10	497	517	20

A translation and enrichment step is also visible in assets/current-outline.md becoming current-outline.md (see §7.4 for the diff excerpt).

4.2 Seminar backbone retention (s01–s13)

The backbone contains 13 seminars (s1–s13). The downstream kit retains those seminars and introduces S14 explicitly, alongside an expanded instructor and student support layer.

Seminar-level file counts and verbatim reuse are shown below:

Seminar	Old files	New files	Identical files reused
S01	6	13	0
S02	11	17	0
S03	15	22	0
S04	16	24	0
S05	9	17	0
S06	13	22	0
S07	12	20	1
S08	13	22	0
S09	14	31	0
S10	17	25	1
S11	15	26	1
S12	14	22	0
S13	13	20	0

The low “identical reuse” count for seminar subtrees reflects heavy renaming and translation of teaching text, not necessarily a removal of practical content.

5) Functional equivalence in Python and YAML

This section answers the question: does COMPNET-EN-main preserve the backbone’s Python and YAML applications as a recognisable backbone, even after refactoring?

5.1 Scenario set equivalence (lectures)

The lecture scenarios are the most direct proxy for “application equivalence”.

Scenario inventory changes:

Added scenarios in COMPNET-EN-main:
- C04/scenario-line-coding
- C04/scenario-mac-arp-ethernet
- C07/scenario-dijkstra (spelling correction and restructuring)
Removed scenario name:
- C07/scenario-djikstra (superseded by scenario-dijkstra)

The scenario subtree comparison below is based on on-disk content.

5.1.1 Scenario summary matrix (file-level)

Lecture	Scenario	Unchanged files	Modified files	Added files	Removed files	Code changed	Docs changed
C01	scenario-capture-basics	1	2	0	0	Yes	Yes
C01	scenario-ping-traceroute	0	1	0	0	No	Yes
C02	scenario-tcp-udp-layers	2	3	0	0	Yes	Yes
C03	scenario-scapy-icmp	1	1	0	0	No	Yes
C03	scenario-tcp-framing	1	2	0	0	Yes	Yes
C03	scenario-tcp-multiclient	1	2	0	0	Yes	Yes
C03	scenario-udp-session-ack	1	2	0	0	Yes	Yes
C05	scenario-cidr-basic	0	2	0	0	Yes	Yes
C05	scenario-ipv4-ipv6-capture	0	1	0	0	No	Yes
C05	scenario-ipv6-shortening	0	2	0	0	Yes	Yes
C05	scenario-subnetting-flsm	0	2	0	0	Yes	Yes
C05	scenario-vlsm	0	2	0	0	Yes	Yes
C06	scenario-arp-capture	0	1	0	0	No	Yes
C06	scenario-dhcp-capture	0	1	0	0	No	Yes
C06	scenario-icmp-traceroute	0	1	0	0	No	Yes
C06	scenario-nat-linux	1	1	0	0	No	Yes
C06	scenario-ndp-capture	0	1	0	0	No	Yes
C07	scenario-bellman-ford	1	1	0	0	No	Yes
C07	scenario-dijkstra	0	1	1	1	No	Yes
C07	scenario-mininet-routing	0	2	0	0	Yes	Yes
C08	scenario-tcp-handshake-tcpdump	3	2	0	0	Yes	Yes
C08	scenario-tls-openssl	4	1	0	0	No	Yes
C08	scenario-udp-vs-tcp-loss	6	1	0	0	No	Yes
C09	scenario-encoding-utf8	1	2	0	0	Yes	Yes
C09	scenario-mime-encoding-gzip	3	2	0	0	Yes	Yes
C10	scenario-custom-http-semantics	2	1	0	0	No	Yes
C10	scenario-http-compose	7	2	0	0	Yes	Yes
C10	scenario-rest-maturity	6	1	0	0	No	Yes
C10	scenario-websocket-protocol	1	3	0	0	Yes	Yes
C11	scenario-dns-ttl-caching	5	1	0	0	No	Yes
C11	scenario-ftp-baseline	2	2	1	0	Yes	Yes
C11	scenario-ftp-nat-firewall	2	2	3	0	Yes	Yes
C11	scenario-ssh-provision	4	2	0	0	Yes	Yes
C12	scenario-local-mailbox	7	1	1	0	No	Yes
C13	scenario-iot-basic	6	1	0	0	No	Yes
C13	scenario-vulnerability-lab	5	1	0	0	No	Yes

Interpretation:

All 36 backbone scenarios that exist in the downstream kit have documentation changes (README rewrite and translation).
Exactly half of these scenarios also include code or configuration changes beyond README changes. These changes are typically small and traceable (see §7.2 and §7.3).

5.1.2 Scenarios with code-level deltas

Lecture	Scenario	Changed files
C01	scenario-capture-basics	dns-query.py
C02	scenario-tcp-udp-layers	tcp-client.py, udp-client.py
C03	scenario-tcp-framing	client.py
C03	scenario-tcp-multiclient	client.py
C03	scenario-udp-session-ack	client.py
C05	scenario-cidr-basic	cidr-calc.py
C05	scenario-ipv6-shortening	ipv6-norm.py
C05	scenario-subnetting-flsm	flsm-split.py
C05	scenario-vlsm	vlsm-alloc.py
C07	scenario-mininet-routing	tringle-net.py
C08	scenario-tcp-handshake-tcpdump	client.py
C09	scenario-encoding-utf8	server.py
C09	scenario-mime-encoding-gzip	index.html
C10	scenario-http-compose	web/index.html
C10	scenario-websocket-protocol	index.html, protocol.md
C11	scenario-ftp-baseline	server/ftp_server.py
C11	scenario-ftp-nat-firewall	client/ftp_client.py
C11	scenario-ssh-provision	payload/index.html

5.2 Direct evidence: small, localised Python deltas

For Python files that keep their relative location, the downstream kit introduces small changes, typically:

translation of comments and instructional strings
renaming of messages printed for interactive guidance
alignment with the downstream naming conventions

The table below enumerates path-preserving Python files that were modified, including approximate line delta counts:

Old path	New path	Old lines	New lines	Added lines	Deleted lines
assets/course/c1/assets/scenario-capture-basics/dns-query.py	03_LECTURES/C01/assets/scenario-capture-basics/dns-query.py	12	12	2	2
assets/course/c11/assets/scenario-ftp-baseline/server/ftp_server.py	03_LECTURES/C11/assets/scenario-ftp-baseline/server/ftp_server.py	22	22	1	1
assets/course/c11/assets/scenario-ftp-nat-firewall/client/ftp_client.py	03_LECTURES/C11/assets/scenario-ftp-nat-firewall/client/ftp_client.py	21	21	2	2
assets/course/c2/assets/scenario-tcp-udp-layers/tcp-client.py	03_LECTURES/C02/assets/scenario-tcp-udp-layers/tcp-client.py	15	15	1	1
assets/course/c2/assets/scenario-tcp-udp-layers/udp-client.py	03_LECTURES/C02/assets/scenario-tcp-udp-layers/udp-client.py	14	14	1	1
assets/course/c5/assets/scenario-cidr-basic/cidr-calc.py	03_LECTURES/C05/assets/scenario-cidr-basic/cidr-calc.py	24	24	2	2
assets/course/c5/assets/scenario-ipv6-shortening/ipv6-norm.py	03_LECTURES/C05/assets/scenario-ipv6-shortening/ipv6-norm.py	14	14	1	1
assets/course/c5/assets/scenario-subnetting-flsm/flsm-split.py	03_LECTURES/C05/assets/scenario-subnetting-flsm/flsm-split.py	36	36	1	1
assets/course/c5/assets/scenario-vlsm/vlsm-alloc.py	03_LECTURES/C05/assets/scenario-vlsm/vlsm-alloc.py	51	51	3	3
assets/course/c7/assets/scenario-mininet-routing/tringle-net.py	03_LECTURES/C07/assets/scenario-mininet-routing/tringle-net.py	139	139	18	18
assets/course/c8/assets/scenario-tcp-handshake-tcpdump/client.py	03_LECTURES/C08/assets/scenario-tcp-handshake-tcpdump/client.py	20	20	1	1
assets/course/c9/assets/scenario-encoding-utf8/server.py	03_LECTURES/C09/assets/scenario-encoding-utf8/server.py	43	43	2	2

6) Major refactors and new subsystems in COMPNET-EN-main

6.1 Tooling and operational hygiene

The backbone includes a monolithic binary dependency:

assets/tools/plantuml.jar (≈ 15.16 MiB)

COMPNET-EN-main removes this artefact and replaces it with:

00_TOOLS/plantuml/ scripts for installing and using PlantUML tooling
00_TOOLS/qa/ scripts for quality checks and repository hygiene
an offline deterministic formatter (format-offline.js) and Prettier configuration (.prettierrc, package.json)

This shifts the repository from a “commit binaries” model towards a more reproducible “tooling as scripts” model.

6.2 New teaching domains and delivery structure

COMPNET-EN-main introduces the following teaching domains which have no direct structural counterpart in the backbone:

00_APPENDIX/ (supplementary material, formative evaluation and instructor notes)
01_GUIDE_MININET-SDN/ (setup guide and HTML export)
02_PROJECTS/ (project scaffolding and assessment artefacts)
.github/workflows/ (automation hooks for repository checks)

Each domain is self-contained and is integrated into the overall kit, with explicit README and navigational structure.

6.3 Naming and packaging conventions

Across seminars and selected lecture assets, COMPNET-EN-main standardises filenames using a structured prefix, typically:

SNN_PartXX_<Type>_<Topic>.<ext> for seminar artefacts
CNN_... patterns for lecture assets where helpful

This has direct implications for discoverability, instructor orchestration and student navigation.

A set of verified “rename-and-refactor” examples is provided in §7.3.

7) Verified diffs and concrete change excerpts

This section provides local, excerpted diffs that demonstrate the dominant transformation patterns. The excerpts are intentionally short and representative.

7.1 `.gitignore` refocus: from generic Python template to course kit policy

--- compnet-2025-redo-main/.gitignore
+++ COMPNET-EN-main/.gitignore
@@ -1,206 +1,32 @@
-# Byte-compiled / optimized / DLL files
+# ──────────────────────────────────────────────
+# .gitignore — Computer Networks course kit
+# ──────────────────────────────────────────────
+
+# Python cache & bytecode
 __pycache__/
-*.py[codz]
-*$py.class
+*.pyc
+*.pyo
+*.pyd
 
-# C extensions
-*.so
+# Testing
+.pytest_cache/
+.coverage
+htmlcov/
 
-# Distribution / packaging
-.Python
+# Virtual environments
+.venv/
+venv/
+
+# Environment locals
+.env.local
+
+# Node / JS tooling
+node_modules/
+dist/
 build/
-develop-eggs/
-dist/
-downloads/
-eggs/
-.eggs/
-lib/
-lib64/
-parts/
-sdist/
-var/
-wheels/
-share/python-wheels/
-*.egg-info/
-.installed.cfg
-*.egg
-MANIFEST
 
-# PyInstaller
-#  Usually these files are written by a python script from a template
-#  before PyInstaller builds the exe, so as to inject date/other infos into it.
-*.manifest
-*.spec
+# macOS metadata
+.DS_Store
 
-# Installer logs
-pip-log.txt
-pip-delete-this-directory.txt
-
-# Unit test / coverage reports
-htmlcov/
-.tox/
-.nox/
-.coverage
-.coverage.*
-.cache
-nosetests.xml
-coverage.xml
-*.cover
-*.py.cover
-.hypothesis/
-.pytest_cache/
-cover/
-

Notable effect: COMPNET-EN-main explicitly covers Python cache files, test artefacts, virtual environments and Node tooling (node_modules/), reflecting its new formatting pipeline.

7.2 PlantUML enrichment: translation plus semantic densification

Example: fig-l2-encapsulation.puml shifts from a minimal Romanian-labelled diagram to an English diagram with explicit semantics, legends and improved structure.

--- assets/course/c4/assets/puml/fig-l2-encapsulation.puml
+++ 03_LECTURES/C04/assets/puml/fig-l2-encapsulation.puml
@@ -1,16 +1,29 @@
-@startuml
+@startuml fig-l2-encapsulation
 skinparam backgroundColor white
+skinparam defaultFontName Arial
+skinparam defaultFontSize 12
 skinparam shadowing false
 skinparam roundcorner 12
-skinparam defaultFontName Arial
-skinparam defaultFontSize 14
 
-title L2: Incapsulare in cadru (frame)
+title Layer 2 Encapsulation: Wrapping a Packet into a Frame
 
-rectangle "Pachet L3\n(IP)" as L3
-rectangle "Cadru L2\n[Header L2 | (L3) | FCS]" as L2
-rectangle "Biti L1" as L1
+rectangle "L3 IP Packet\n(source IP, dest IP, payload)" as pkt #F5F5F5
 
-L3 --> L2 : incapsulare
-L2 --> L1 : serializare
+rectangle "L2 Frame" as frame #E3F2FD {
+    rectangle "L2 Header\n(dest MAC, src MAC\ntype/length)" as hdr #BBDEFB
+    rectangle "L3 Packet\n(payload)" as pay #FFF9C4
+    rectangle "FCS\n(CRC-32)" as fcs #C8E6C9
+}
+
+rectangle "L1 Bit Stream\n(serialised onto medium)" as bits #FFE0B2
+
+pkt -down-> frame : encapsulation
+frame -down-> bits : serialisation
+
+legend right
+  The data link layer wraps each L3 packet
+  in a header (addressing) and trailer (CRC).
+  The receiver uses the FCS to detect errors
+  and the MAC addresses to identify endpoints.
+endlegend
 @enduml

7.3 Docker Compose refactor: renamed files and explicit references

Example: Seminar 10 DNS containers compose file is renamed and its internal references are updated to match the downstream naming policy.

--- assets/tutorial/s10/2_dns-containers/docker-compose.yml
+++ 04_SEMINARS/S10/2_dns-containers/S10_Part02_Config_Docker_Compose.yml
@@ -1,22 +1,26 @@
-version: "3.9"
-
+version: '3.9'
 services:
-
   web:
     image: python:3
-    command: ["python3", "-m", "http.server", "8000"]
+    command:
+    - python3
+    - -m
+    - http.server
+    - '8000'
     expose:
-      - "8000"
-
+    - '8000'
   dns-server:
     build:
       context: .
-    command: ["python3", "dns_server.py"]
+      dockerfile: S10_Part02_Config_Dockerfile
+    command:
+    - python3
+    - S10_Part02_Script_DNS_Server.py
     ports:
-      - "5353:5353/udp"
-
+    - 5353:5353/udp
   debug:
     image: busybox
-    command: ["sh"]
+    command:
+    - sh
     stdin_open: true
     tty: true

Verified rename map (selected):

Old path	New path	Verified status	Notes
assets/tutorial/s10/2_dns-containers/docker-compose.yml	04_SEMINARS/S10/2_dns-containers/S10_Part02_Config_Docker_Compose.yml	Exists	Docker Compose renaming, dockerfile and script references updated
assets/tutorial/s10/2_dns-containers/Dockerfile	04_SEMINARS/S10/2_dns-containers/S10_Part02_Config_Dockerfile	Exists	Dockerfile renamed and referenced from compose
assets/tutorial/s10/2_dns-containers/dns_server.py	04_SEMINARS/S10/2_dns-containers/S10_Part02_Script_DNS_Server.py	Exists	Script renamed and referenced from compose
assets/tutorial/s10/3_ssh/ssh-server/Dockerfile	04_SEMINARS/S10/3_ssh/ssh-server/S10_Part03_Config_Dockerfile	Exists	Dockerfile moved unchanged but renamed
assets/tutorial/s11/1_nginx-compose/nginx.conf	04_SEMINARS/S11/1_nginx-compose/S11_Part01_Config_Nginx.conf	Exists	Config moved unchanged but renamed
assets/tutorial/s8/4_nginx/nginx.conf	04_SEMINARS/S08/4_nginx/S08_Part04_Config_Nginx.conf	Exists	Config renamed with comment translation
assets/tutorial/s12/2_protobuf/calculator.proto	04_SEMINARS/S12/2_protobuf/S12_Part02_Config_Calculator.proto	Exists	Proto comments translated and file renamed

7.4 Curriculum outline translation and normalisation

assets/current-outline.md is relocated and rewritten as current-outline.md, with both language normalisation and content refinement.

--- assets/current-outline.md
+++ current-outline.md
@@ -1,33 +1,29 @@
-Curs 1 - Fundamente ale reţelelor de calculatoare.
-Curs 2 - Modele arhitecturale pentru reţele de calculatoare. Modelul OSI. Modelul
-TCP/IP.
-Curs 3 - Introducere în programarea de reţea.
-Curs 4 - Nivelul fizic. Nivelul legătură de date.
-Curs 5 - Nivelul reţea. Adresare (IPv.4, IPv6, Subnetting, VLSM).
-Curs 6 - Nivelul reţea. Adresare (NAT, PAT, ICMP, DHCP, BOOTP).
-Curs 7 - Nivelul reţea. Protocoale de rutare (RIP, IGRP, OSPF).
-Curs 8 - Nivelul transport (TCP, UDP, TLS).
-Curs 9 - Nivelul sesiune. Nivelul prezentare.
-Curs 1O - Nivelul aplicaţie: HTTP(S) - REST, SOAP.
-Curs 11 - Nivelul aplicaţie: FTP, DNS, SSH.
-Curs 12 - Nivelul aplicaţie. SMTP, POP3, IMAP, WebMail.
-Curs 13 - IoT şi securitate în reţele de calculatoare.
-Curs 14 - Recapitulare
+Lecture 1 – Fundamentals of computer networks.
+Lecture 2 – Architectural models for computer networks: the OSI model and the TCP/IP model.
+Lecture 3 – Introduction to network programming.
+Lecture 4 – The physical layer and the data link layer.
+Lecture 5 – The network layer: addressing (IPv4, IPv6, subnetting and VLSM).
+Lecture 6 – The network layer: addressing and control protocols (NAT, PAT, ICMP, DHCP and BOOTP).
+Lecture 7 – The network layer: routing protocols (RIP, IGRP and OSPF).
+Lecture 8 – The transport layer (TCP, UDP and TLS).
+Lecture 9 – The session layer and the presentation layer.
+Lecture 10 – The application layer: HTTP(S) (REST and SOAP).
+Lecture 11 – The application layer: FTP, DNS and SSH.
+Lecture 12 – The application layer: SMTP, POP3, IMAP and webmail.
+Lecture 13 – IoT and security in computer networks.
+Lecture 14 – Revision and examination preparation.
 
-
-~Seminar 1 - Analiză de reţea. WiresharkItshark, netcat TCPIUDP, debugging trafic
-Seminar 2 - Programare pe socket-uri: implementarea unui server concurent TCP şi UDP şi a clienţilor aferenţi plus analiza traficului.
-Seminar 3 - Programare pe socket-uri: broadcast şi multicast UDP, TCP tunnel
-simplu.
-Seminar 4 - Programare pe socket-uri: implementarea de protocoale text şi binare custom peste TCP şi UDP.
-Seminar 5 - Adresare şi rutare. Subnetting IPv.4IIPv6, introducere simulator de reţea. Configurarea unei infrastructuri de reţea
-Seminar 6 - SDN. Componente ale arhitecturilor de reţea. Topologii simulate, analiză trafic într-un simulator.
-Seminar 7 - Interceptarea pachetelor TCP şi UDP: implementarea unui filtru de
-pachete, scanarea porturilor.
-Seminar 8 - Servicii Internet: implementarea unui server HTTP. Reverse proxies.
-Seminar 9 - Protocoale de fişiere. Server FTP custom, mini file transfer server, testare multi-client cu containere
-Seminar 1O - Servicii de reţea: DNS, SSH, FTP în containere orchestrate cu Docker.
-Seminar 11 - Aplicaţii distribuite cu Nginx: load-balancing, reverse proxy pentru mai multe containere rulate cu Docker Compose.
-Seminar 12 - Apelul de metode la distanţă: concepte RPC, implementare folosind un framework.
-Seminar 13 - Securitatea în reţele de calculatoare: scanare de porturi, testarea vulnerabilităţilor simple.
-Seminar 14 - Evaluarea proiectului în echipă
+Seminar 1 – Network analysis: Wireshark/tshark, netcat (TCP/UDP) and traffic debugging.
+Seminar 2 – Socket programming: implementing a concurrent TCP and UDP server and the corresponding clients, plus traffic analysis.
+Seminar 3 – Socket programming: UDP broadcast and multicast and a simple TCP tunnel.
+Seminar 4 – Socket programming: implementing custom text and binary protocols over TCP and UDP.
+Seminar 5 – Addressing and routing: IPv4/IPv6 subnetting, an introduction to a network simulator and configuring a network infrastructure.
+Seminar 6 – SDN: components of network architectures, simulated topologies and traffic analysis in a simulator.
+Seminar 7 – Capturing TCP and UDP packets: implementing a packet filter and port scanning.
+Seminar 8 – Internet services: implementing an HTTP server and reverse proxies.
+Seminar 9 – File protocols: a custom FTP server, a minimal file transfer server and multi-client testing with containers.
+Seminar 10 – Network services: DNS, SSH and FTP in containers orchestrated with Docker.
+Seminar 11 – Distributed applications with Nginx: load balancing and reverse proxying for multiple containers started with Docker Compose.
+Seminar 12 – Remote method invocation: RPC concepts and an implementation using a framework.
+Seminar 13 – Security in computer networks: port scanning and testing simple vulnerabilities.
+Seminar 14 – Team project assessment and viva.

7.5 Mininet routing scenario: instructional strings translated, logic preserved

--- assets/course/c7/assets/scenario-mininet-routing/tringle-net.py
+++ 03_LECTURES/C07/assets/scenario-mininet-routing/tringle-net.py
@@ -28,7 +28,7 @@
 def build_net():
     net = Mininet(link=TCLink, controller=None, waitConnected=True)
 
-    info("*** Noduri\n")
+    info("*** Nodes\n")
     r1 = net.addHost("r1", cls=LinuxRouter)
     r2 = net.addHost("r2", cls=LinuxRouter)
     r3 = net.addHost("r3", cls=LinuxRouter)
@@ -37,7 +37,7 @@
     h2 = net.addHost("h2")
     h3 = net.addHost("h3")
 
-    info("*** Link-uri (triunghi + LAN-uri)\n")
+    info("*** Links (triangle + LANs)\n")
     net.addLink(r1, r2, intfName1="r1-eth1", intfName2="r2-eth1")
     net.addLink(r1, r3, intfName1="r1-eth2", intfName2="r3-eth1")
     net.addLink(r2, r3, intfName1="r2-eth2", intfName2="r3-eth2")
@@ -48,7 +48,7 @@
 
     net.start()
 
-    info("*** Adresare IP (LAN-uri)\n")
+    info("*** IP addressing (LANs)\n")
     add_ip(r1, "r1-eth0", "10.1.0.1/24")
     add_ip(h1, "h1-eth0", "10.1.0.2/24")
     set_default_route(h1, "10.1.0.1")
@@ -61,7 +61,7 @@
     add_ip(h3, "h3-eth0", "10.3.0.2/24")
     set_default_route(h3, "10.3.0.1")
 
-    info("*** Adresare IP (link-uri intre rutere)\n")
+    info("*** IP addressing (inter-router links)\n")
     add_ip(r1, "r1-eth1", "10.12.0.1/24")
     add_ip(r2, "r2-eth1", "10.12.0.2/24")
 
@@ -75,43 +75,43 @@
 
 
 def scenario_link_down(net, r1, r2, r3):
-    info("*** Scenariu: link-down (r1-r2 cade, mergem prin r3)\n")
+    info("*** Scenario: link-down (r1-r2 fails, traffic routes via r3)\n")
 
-    # r1 <-> r2 via r3 (ocolire)
+    # r1 <-> r2 via r3 (bypass)
     r1.cmd("ip route add 10.2.0.0/24 via 10.13.0.3 dev r1-eth2")
     r2.cmd("ip route add 10.1.0.0/24 via 10.23.0.3 dev r2-eth2")
 
-    # optional: conectivitate completa intre toate LAN-urile
+    # optional: full connectivity between all LANs
     r1.cmd("ip route add 10.3.0.0/24 via 10.13.0.3 dev r1-eth2")
     r2.cmd("ip route add 10.3.0.0/24 via 10.23.0.3 dev r2-eth2")
     r3.cmd("ip route add 10.1.0.0/24 via 10.13.0.1 dev r3-eth1")
     r3.cmd("ip route add 10.2.0.0/24 via 10.23.0.2 dev r3-eth2")
 
-    info("*** Coboram link-ul r1-r2 (ambele capete)\n")
+    info("*** Bringing down link r1-r2 (both ends)\n")
     r1.cmd("ip link set r1-eth1 down")
     r2.cmd("ip link set r2-eth1 down")
 
-    info("*** Link r1-r2 este DOWN. Traficul trebuie sa ocoleasca prin r3.\n")
+    info("*** Link r1-r2 is DOWN. Traffic must bypass via r3.\n")
 
 
 def scenario_asymmetric(net, r1, r2, r3):
-    info("*** Scenariu: rutare asimetrica (doar r1 are ruta spre r2)\n")
+    info("*** Scenario: asymmetric routing (only r1 has a route to r2)\n")
 
-    # r1 stie sa ajunga la LAN-ul lui r2 prin r2 (direct)
+    # r1 knows how to reach r2's LAN via r2 (directly)
     r1.cmd("ip route add 10.2.0.0/24 via 10.12.0.2 dev r1-eth1")
 
-    # r2 NU primeste ruta de retur spre 10.1.0.0/24
-    # (nici default route pe r2, ca sa fie “fara intoarcere” clar)
+    # r2 does NOT receive a return route towards 10.1.0.0/24
+    # (no default route on r2 either, to make the "no return" case clear)
 
-    # optional: ca sa nu interfereze r3, nu setam rute alternative

7.6 Protobuf artefact: comments translated, student TODOs retained

--- assets/tutorial/s12/2_protobuf/calculator.proto
+++ 04_SEMINARS/S12/2_protobuf/S12_Part02_Config_Calculator.proto
@@ -1,19 +1,19 @@
 syntax = "proto3";
 
-// Pachetul este opțional dar recomandat
+// The package is optional but recommended
 package seminar12;
 
 // ---------------------
-// Mesajele de request
+// Request messages
 // ---------------------
 
-// Request pentru Add(a, b)
+// Request for Add(a, b)
 message AddRequest {
   int32 a = 1;
   int32 b = 2;
 }
 
-// Request pentru Multiply(a, b)
+// Request for Multiply(a, b)
 message MultiplyRequest {
   int32 a = 1;
   int32 b = 2;
@@ -21,13 +21,13 @@
 
 // TODO (student):
 // ------------
-// Adăugați aici un mesaj PowerRequest
-// cu câmpuri int32 base și int32 exponent
+// Add a message PowerRequest here
+// with fields int32 base and int32 exponent
 // ------------
 
 
 // -------------------------
-// Mesajele de răspuns
+// Response messages
 // -------------------------
 
 message AddResponse {
@@ -40,13 +40,13 @@
 
 // TODO (student):
 // ------------
-// Adăugați aici un mesaj PowerResponse
-// cu câmp int32 result
+// Add a message PowerResponse here
+// with field int32 result
 // ------------
 
 
 // -------------------------
-// Definirea serviciului
+// Service definition
 // -------------------------
 
 service Calculator {
@@ -55,7 +55,7 @@
 
   // TODO (student):
   // --------------
-  // Adăugați aici metoda RPC Power
-  // care primește PowerRequest și returnează PowerResponse
+  // Add the RPC method Power here
+  // which receives PowerRequest and returns PowerResponse
   // --------------
 }

8) Full inventory appendices (paths and exact mappings)

These appendices provide exhaustive listings for audit and traceability. Because the repository underwent a major re-rooting, path-based “added” and “removed” lists should be interpreted alongside the SHA-256 reuse table.

8.1 Appendix A — Folder outlines (depth ≤ 2)

Backbone (compnet-2025-redo-main) folders

assets/
assets/course/
assets/tools/
assets/tutorial-solve/
assets/tutorial/

Downstream (COMPNET-EN-main) folders

.github/
.github/workflows/
00_APPENDIX/
00_APPENDIX/a)PYTHON_self_study_guide/
00_APPENDIX/b)optional_LECTURES/
00_APPENDIX/c)studentsQUIZes(multichoice_only)/
00_APPENDIX/d)instructor_NOTES4sem/
00_APPENDIX/docs/
00_APPENDIX/formative/
00_TOOLS/
00_TOOLS/PlantUML(optional)/
00_TOOLS/Portainer/
00_TOOLS/Prerequisites/
00_TOOLS/plantuml/
00_TOOLS/qa/
00_TOOLS/release/
01_GUIDE_MININET-SDN/
02_PROJECTS/
02_PROJECTS/00_common/
02_PROJECTS/01_network_applications/
02_PROJECTS/02_administration_security/
03_LECTURES/
03_LECTURES/C01/
03_LECTURES/C02/
03_LECTURES/C03/
03_LECTURES/C04/
03_LECTURES/C05/
03_LECTURES/C06/
03_LECTURES/C07/
03_LECTURES/C08/
03_LECTURES/C09/
03_LECTURES/C10/
03_LECTURES/C11/
03_LECTURES/C12/
03_LECTURES/C13/
03_LECTURES/C14/
04_SEMINARS/
04_SEMINARS/S01/
04_SEMINARS/S02/
04_SEMINARS/S03/
04_SEMINARS/S04/
04_SEMINARS/S05/
04_SEMINARS/S06/
04_SEMINARS/S07/
04_SEMINARS/S08/
04_SEMINARS/S09/
04_SEMINARS/S10/
04_SEMINARS/S11/
04_SEMINARS/S12/
04_SEMINARS/S13/
04_SEMINARS/S14/
04_SEMINARS/_HTMLsupport/
04_SEMINARS/_tutorial-solve/

8.2 Appendix B — Files reused verbatim (SHA-256 identity)

The following table enumerates every backbone file whose content appears unchanged in COMPNET-EN-main, including full paths.

8.2.1 Special cases: moved unchanged with path changes

These files are unchanged by content but relocated or renamed, usually due to structural refactoring or naming policy.

Old path	New path
assets/course/c3/scenario-scapy-icmp/icmp-ping.py	03_LECTURES/C03/assets/scenario-scapy-icmp/icmp-ping.py
assets/course/c3/scenario-tcp-framing/server.py	03_LECTURES/C03/assets/scenario-tcp-framing/server.py
assets/course/c3/scenario-tcp-multiclient/server.py	03_LECTURES/C03/assets/scenario-tcp-multiclient/server.py
assets/course/c3/scenario-udp-session-ack/server.py	03_LECTURES/C03/assets/scenario-udp-session-ack/server.py
assets/course/c7/assets/scenario-djikstra/djikstra.py	03_LECTURES/C07/assets/scenario-dijkstra/dijkstra.py
assets/tutorial-solve/s1/basic_tools_output.txt	04_SEMINARS/_tutorial-solve/s1/S01_Part02_Output_Basic_Tools.txt
assets/tutorial-solve/s1/netcat_activity_output.txt	04_SEMINARS/_tutorial-solve/s1/S01_Part04_Output_Netcat_Activity.txt
assets/tutorial/s10/3_ssh/ssh-server/Dockerfile	04_SEMINARS/S10/3_ssh/ssh-server/S10_Part03_Config_Dockerfile
assets/tutorial/s11/1_nginx-compose/nginx.conf	04_SEMINARS/S11/1_nginx-compose/S11_Part01_Config_Nginx.conf
assets/tutorial/s11/1_nginx-compose/web1/index.html	04_SEMINARS/_HTMLsupport/S11/1_nginx-compose/web1/S11_Part01_Page_Index.html
assets/tutorial/s11/1_nginx-compose/web1/index.html	04_SEMINARS/_HTMLsupport/S11/2_custom-load-balancer/web1/S11_Part02_Page_Index.html
assets/tutorial/s11/1_nginx-compose/web2/index.html	04_SEMINARS/_HTMLsupport/S11/1_nginx-compose/web2/S11_Part01_Page_Index.html
assets/tutorial/s11/1_nginx-compose/web2/index.html	04_SEMINARS/_HTMLsupport/S11/2_custom-load-balancer/web2/S11_Part02_Page_Index.html
assets/tutorial/s11/1_nginx-compose/web3/index.html	04_SEMINARS/_HTMLsupport/S11/1_nginx-compose/web3/S11_Part01_Page_Index.html
assets/tutorial/s11/1_nginx-compose/web3/index.html	04_SEMINARS/_HTMLsupport/S11/2_custom-load-balancer/web3/S11_Part02_Page_Index.html
assets/tutorial/s7/3_port-scanning/scan_results.txt	04_SEMINARS/S07/3_port-scanning/S07_Part03_Output_Scan_Results.txt

8.3 Appendix C — Path-based additions in COMPNET-EN-main

Full list of added paths (relative to repository root): 1192 entries

.editorconfig
.gitattributes
.github/workflows/ci.yml
.prettierignore
.prettierrc
00_APPENDIX/ACKNOWLEDGMENTS.md
00_APPENDIX/CHANGELOG.md
00_APPENDIX/LIVE_CODING_INSTRUCTOR_GUIDE.md
00_APPENDIX/Makefile
00_APPENDIX/README.md
00_APPENDIX/a)PYTHON_self_study_guide/Makefile
00_APPENDIX/a)PYTHON_self_study_guide/PRESENTATIONS_EN/01_introduction_setup.html
00_APPENDIX/a)PYTHON_self_study_guide/PRESENTATIONS_EN/02_reading_python_code.html
00_APPENDIX/a)PYTHON_self_study_guide/PRESENTATIONS_EN/03_data_types_networking.html
00_APPENDIX/a)PYTHON_self_study_guide/PRESENTATIONS_EN/04_socket_programming.html
00_APPENDIX/a)PYTHON_self_study_guide/PRESENTATIONS_EN/05_code_organisation.html
00_APPENDIX/a)PYTHON_self_study_guide/PRESENTATIONS_EN/06_cli_interfaces.html
00_APPENDIX/a)PYTHON_self_study_guide/PRESENTATIONS_EN/07_packet_analysis.html
00_APPENDIX/a)PYTHON_self_study_guide/PRESENTATIONS_EN/08_concurrency.html
00_APPENDIX/a)PYTHON_self_study_guide/PRESENTATIONS_EN/09_http_protocols.html
00_APPENDIX/a)PYTHON_self_study_guide/PRESENTATIONS_EN/10_debugging_best_practices.html
00_APPENDIX/a)PYTHON_self_study_guide/PRESENTATIONS_EN/README.md
00_APPENDIX/a)PYTHON_self_study_guide/PYTHON_NETWORKING_GUIDE.md
00_APPENDIX/a)PYTHON_self_study_guide/README.md
00_APPENDIX/a)PYTHON_self_study_guide/cheatsheets/PYTHON_QUICK.md
00_APPENDIX/a)PYTHON_self_study_guide/cheatsheets/README.md
00_APPENDIX/a)PYTHON_self_study_guide/comparisons/MISCONCEPTIONS_BY_BACKGROUND.md
00_APPENDIX/a)PYTHON_self_study_guide/comparisons/README.md
00_APPENDIX/a)PYTHON_self_study_guide/comparisons/ROSETTA_STONE.md
00_APPENDIX/a)PYTHON_self_study_guide/docs/README.md
00_APPENDIX/a)PYTHON_self_study_guide/docs/SELF_CHECK_CHECKPOINTS.md
00_APPENDIX/a)PYTHON_self_study_guide/docs/TROUBLESHOOTING.md
00_APPENDIX/a)PYTHON_self_study_guide/examples/01_socket_tcp.py
00_APPENDIX/a)PYTHON_self_study_guide/examples/02_bytes_vs_str.py
00_APPENDIX/a)PYTHON_self_study_guide/examples/03_struct_parsing.py
00_APPENDIX/a)PYTHON_self_study_guide/examples/04_error_handling.py
00_APPENDIX/a)PYTHON_self_study_guide/examples/README.md
00_APPENDIX/a)PYTHON_self_study_guide/examples/tests/README.md
00_APPENDIX/a)PYTHON_self_study_guide/examples/tests/__pycache__/test_bytes_vs_str.cpython-311-pytest-8.2.2.pyc
00_APPENDIX/a)PYTHON_self_study_guide/examples/tests/__pycache__/test_smoke.cpython-311-pytest-8.2.2.pyc
00_APPENDIX/a)PYTHON_self_study_guide/examples/tests/__pycache__/test_struct_parsing.cpython-311-pytest-8.2.2.pyc
00_APPENDIX/a)PYTHON_self_study_guide/examples/tests/test_bytes_vs_str.py
00_APPENDIX/a)PYTHON_self_study_guide/examples/tests/test_smoke.py
00_APPENDIX/a)PYTHON_self_study_guide/examples/tests/test_struct_parsing.py
00_APPENDIX/a)PYTHON_self_study_guide/formative/README.md
00_APPENDIX/a)PYTHON_self_study_guide/formative/parsons/README.md
00_APPENDIX/a)PYTHON_self_study_guide/formative/parsons/parsons_bytes.yaml
00_APPENDIX/a)PYTHON_self_study_guide/formative/parsons/parsons_socket.yaml
00_APPENDIX/a)PYTHON_self_study_guide/formative/parsons_runner.py
00_APPENDIX/a)PYTHON_self_study_guide/formative/quiz.yaml
00_APPENDIX/a)PYTHON_self_study_guide/formative/results/.gitkeep
00_APPENDIX/a)PYTHON_self_study_guide/formative/results/README.md
00_APPENDIX/a)PYTHON_self_study_guide/formative/run_quiz.py
00_APPENDIX/a)PYTHON_self_study_guide/images/README.md
00_APPENDIX/a)PYTHON_self_study_guide/images/README_SCREENSHOTS.md
00_APPENDIX/b)optional_LECTURES/README.md
00_APPENDIX/b)optional_LECTURES/S10Theory_Application-layer_protocols_EN.html
00_APPENDIX/b)optional_LECTURES/S11Theory_FTP_DNS_and_SSH_EN.html
00_APPENDIX/b)optional_LECTURES/S12Theory_Email_protocols_EN.html
00_APPENDIX/b)optional_LECTURES/S13Theory_IoT_and_network_security_EN.html
00_APPENDIX/b)optional_LECTURES/S14Theory_Integrated_RECAP_EN.html
00_APPENDIX/b)optional_LECTURES/S1Theory_Network_fundamentals_EN.html
00_APPENDIX/b)optional_LECTURES/S2Theory_Architectural_models_OSI_and_TCP_IP_EN.html
00_APPENDIX/b)optional_LECTURES/S3Theory_UDP_Broadcast_Multicast_TCP_Tunnels_EN.html
00_APPENDIX/b)optional_LECTURES/S4Theory_Physical_and_data_link_layer_EN.html
00_APPENDIX/b)optional_LECTURES/S5Theory_Network_layer__IP_addressing_and_subnetting_EN.html
00_APPENDIX/b)optional_LECTURES/S6Theory_NAT_PAT_ARP_DHCP_NDP_and_ICMP_EN.html
00_APPENDIX/b)optional_LECTURES/S7Theory_Routing_protocols_EN.html
00_APPENDIX/b)optional_LECTURES/S8Theory_Transport_layer_EN.html
00_APPENDIX/b)optional_LECTURES/S9Theory_Session_and_presentation_concepts_EN.html
00_APPENDIX/c)studentsQUIZes(multichoice_only)/COMPnet_W01_Questions.md
00_APPENDIX/c)studentsQUIZes(multichoice_only)/COMPnet_W02_Questions.md
00_APPENDIX/c)studentsQUIZes(multichoice_only)/COMPnet_W03_Questions.md
00_APPENDIX/c)studentsQUIZes(multichoice_only)/COMPnet_W04_Questions.md
00_APPENDIX/c)studentsQUIZes(multichoice_only)/COMPnet_W05_Questions.md
00_APPENDIX/c)studentsQUIZes(multichoice_only)/COMPnet_W06_Questions.md
00_APPENDIX/c)studentsQUIZes(multichoice_only)/COMPnet_W07_Questions.md
00_APPENDIX/c)studentsQUIZes(multichoice_only)/COMPnet_W08_Questions.md
00_APPENDIX/c)studentsQUIZes(multichoice_only)/COMPnet_W09_Questions.md
00_APPENDIX/c)studentsQUIZes(multichoice_only)/COMPnet_W10_Questions.md
00_APPENDIX/c)studentsQUIZes(multichoice_only)/COMPnet_W11_Questions.md
00_APPENDIX/c)studentsQUIZes(multichoice_only)/COMPnet_W12_Questions.md
00_APPENDIX/c)studentsQUIZes(multichoice_only)/COMPnet_W13_Questions.md
00_APPENDIX/c)studentsQUIZes(multichoice_only)/COMPnet_W14_Questions.md
00_APPENDIX/c)studentsQUIZes(multichoice_only)/README.md
00_APPENDIX/d)instructor_NOTES4sem/README.md
00_APPENDIX/d)instructor_NOTES4sem/roCOMPNETclass_S01-instructor-outline-v3.md
00_APPENDIX/d)instructor_NOTES4sem/roCOMPNETclass_S01-instructor-outline-v3__noMININET-SDN_.md
00_APPENDIX/d)instructor_NOTES4sem/roCOMPNETclass_S01-outline-vi1.md
00_APPENDIX/d)instructor_NOTES4sem/roCOMPNETclass_S02-instructor-outline-v2.md
00_APPENDIX/d)instructor_NOTES4sem/roCOMPNETclass_S02-instructor-outline-v2__noMININET-SDN_.md
00_APPENDIX/d)instructor_NOTES4sem/roCOMPNETclass_S03-instructor-outline-v2.md
00_APPENDIX/d)instructor_NOTES4sem/roCOMPNETclass_S03-instructor-outline-v2__noMININET-SDN_.md
00_APPENDIX/d)instructor_NOTES4sem/roCOMPNETclass_S04-instructor-outline-v2.md
00_APPENDIX/d)instructor_NOTES4sem/roCOMPNETclass_S04-instructor-outline-v2__noMININET-SDN_.md
00_APPENDIX/d)instructor_NOTES4sem/roCOMPNETclass_S05-instructor-outline-v2.md
00_APPENDIX/d)instructor_NOTES4sem/roCOMPNETclass_S05-instructor-outline-v2__noMININET-SDN_.md
00_APPENDIX/d)instructor_NOTES4sem/roCOMPNETclass_S06-instructor-outline-v2.md
00_APPENDIX/d)instructor_NOTES4sem/roCOMPNETclass_S06-instructor-outline-v2__noMININET-SDN_.md
00_APPENDIX/d)instructor_NOTES4sem/roCOMPNETclass_S07-instructor-outline-v2.md
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04_SEMINARS/S09/3_multi-client-containers/S09_Part03_Script_Pyftpd_Server.py
04_SEMINARS/S09/3_multi-client-containers/client1-data/.gitkeep
04_SEMINARS/S09/3_multi-client-containers/client2-data/.gitkeep
04_SEMINARS/S09/3_multi-client-containers/server-anon/.gitkeep
04_SEMINARS/S09/3_multi-client-containers/server-data/.gitkeep
04_SEMINARS/S09/README.md
04_SEMINARS/S09/assets/images/.gitkeep
04_SEMINARS/S09/assets/puml/fig-docker-ftp-multi-client.puml
04_SEMINARS/S09/assets/puml/fig-ftp-active-vs-passive.puml
04_SEMINARS/S09/assets/puml/fig-ftp-control-data-channels.puml
04_SEMINARS/S09/assets/puml/fig-ftp-indirect-transfer-sequence.puml
04_SEMINARS/S09/assets/puml/fig-pseudo-ftp-active-get-sequence.puml
04_SEMINARS/S09/assets/puml/fig-pseudo-ftp-architecture.puml
04_SEMINARS/S09/assets/puml/fig-pseudo-ftp-passive-get-sequence.puml
04_SEMINARS/S09/assets/render.sh
04_SEMINARS/S10/1_intro/S10_Part01A_Explanation_Intro.md
04_SEMINARS/S10/1_intro/S10_Part01B_Tasks_Intro.md
04_SEMINARS/S10/2_dns-containers/S10_Part02A_Explanation_DNS_Containers.md
04_SEMINARS/S10/2_dns-containers/S10_Part02_Config_Docker_Compose.yml
04_SEMINARS/S10/2_dns-containers/S10_Part02_Config_Dockerfile
04_SEMINARS/S10/2_dns-containers/S10_Part02_Script_DNS_Server.py
04_SEMINARS/S10/3_ssh/S10_Part03A_Explanation_SSH_Paramiko.md
04_SEMINARS/S10/3_ssh/S10_Part03B_Tasks_SSH_Paramiko.md
04_SEMINARS/S10/3_ssh/S10_Part03_Config_Docker_Compose.yml
04_SEMINARS/S10/3_ssh/ssh-client/S10_Part03_Config_Dockerfile
04_SEMINARS/S10/3_ssh/ssh-client/S10_Part03_Script_Paramiko_Client.py
04_SEMINARS/S10/3_ssh/ssh-server/S10_Part03_Config_Dockerfile
04_SEMINARS/S10/4_ssh-port-forwarding/S10_Part04A_Explanation_SSH_Portforward.md
04_SEMINARS/S10/4_ssh-port-forwarding/S10_Part04B_Tasks_SSH_Portforward.md
04_SEMINARS/S10/4_ssh-port-forwarding/S10_Part04_Config_Docker_Compose.yml
04_SEMINARS/S10/4_ssh-port-forwarding/ssh-bastion/S10_Part04_Config_Dockerfile
04_SEMINARS/S10/4_ssh-port-forwarding/web-content/S10_Part04_Page_Index.html
04_SEMINARS/S10/4_ssh-port-forwarding/web-content/index.html
04_SEMINARS/S10/README.md
04_SEMINARS/S10/assets/puml/fig-dns-custom-server-flow.puml
04_SEMINARS/S10/assets/puml/fig-dns-docker-topology.puml
04_SEMINARS/S10/assets/puml/fig-s10-services-overview.puml
04_SEMINARS/S10/assets/puml/fig-ssh-paramiko-workflow.puml
04_SEMINARS/S10/assets/puml/fig-ssh-port-forwarding-tunnel.puml
04_SEMINARS/S10/assets/render.sh
04_SEMINARS/S11/1_nginx-compose/S11_Part01A_Explanation_Reverse_Proxy_Intro.md
04_SEMINARS/S11/1_nginx-compose/S11_Part01B_Explanation_Nginx_Compose_Setup.md
04_SEMINARS/S11/1_nginx-compose/S11_Part01C_Tasks_Nginx.md
04_SEMINARS/S11/1_nginx-compose/S11_Part01_Config_Docker_Compose_Nginx.yml
04_SEMINARS/S11/1_nginx-compose/S11_Part01_Config_Nginx.conf
04_SEMINARS/S11/1_nginx-compose/web1/S11_Part01_Page_Index.html
04_SEMINARS/S11/1_nginx-compose/web2/S11_Part01_Page_Index.html
04_SEMINARS/S11/1_nginx-compose/web3/S11_Part01_Page_Index.html
04_SEMINARS/S11/2_custom-load-balancer/S11_Part02A_Explanation_Custom_Lb.md
04_SEMINARS/S11/2_custom-load-balancer/S11_Part02B_Tasks_Custom_Lb.md
04_SEMINARS/S11/2_custom-load-balancer/S11_Part02C_Explanation_Lb_Comparison.md
04_SEMINARS/S11/2_custom-load-balancer/S11_Part02D_Tasks_Lb_Compose.md
04_SEMINARS/S11/2_custom-load-balancer/S11_Part02_Config_Docker_Compose_Lb_Custom.yml
04_SEMINARS/S11/2_custom-load-balancer/S11_Part02_Config_Dockerfile_Lb.lb
04_SEMINARS/S11/2_custom-load-balancer/S11_Part02_Script_Simple_Lb.py
04_SEMINARS/S11/2_custom-load-balancer/web1/S11_Part02_Page_Index.html
04_SEMINARS/S11/2_custom-load-balancer/web2/S11_Part02_Page_Index.html
04_SEMINARS/S11/2_custom-load-balancer/web3/S11_Part02_Page_Index.html
04_SEMINARS/S11/README.md
04_SEMINARS/S11/assets/images/.gitkeep
04_SEMINARS/S11/assets/puml/fig-custom-lb-architecture.puml
04_SEMINARS/S11/assets/puml/fig-lb-round-robin-flow.puml
04_SEMINARS/S11/assets/puml/fig-nginx-compose-topology.puml
04_SEMINARS/S11/assets/puml/fig-nginx-vs-custom-lb-comparison.puml
04_SEMINARS/S11/assets/puml/fig-reverse-proxy-concept.puml
04_SEMINARS/S11/assets/render.sh
04_SEMINARS/S12/1_jsonrpc/S12_Part01A_Explanation_RPC_Intro.md
04_SEMINARS/S12/1_jsonrpc/S12_Part01B_Tasks_RPC.md
04_SEMINARS/S12/1_jsonrpc/S12_Part01C_Explanation_JSONRPC.md
04_SEMINARS/S12/1_jsonrpc/S12_Part01D_Tasks_JSONRPC.md
04_SEMINARS/S12/1_jsonrpc/S12_Part01_Script_JSONRPC_Client.py
04_SEMINARS/S12/2_protobuf/S12_Part02A_Explanation_Protobuf.md
04_SEMINARS/S12/2_protobuf/S12_Part02B_Tasks_Protobuf.md
04_SEMINARS/S12/2_protobuf/S12_Part02_Config_Calculator.proto
04_SEMINARS/S12/3_grpc/S12_Part03A_Explanation_g_RPC_Server.md
04_SEMINARS/S12/3_grpc/S12_Part03B_Tasks_g_RPC_Server.md
04_SEMINARS/S12/3_grpc/S12_Part03C_Explanation_g_RPC_Client.md
04_SEMINARS/S12/3_grpc/S12_Part03D_Tasks_g_RPC_Client.md
04_SEMINARS/S12/3_grpc/S12_Part03_Script_g_RPC_Client.py
04_SEMINARS/S12/3_grpc/S12_Part03_Script_g_RPC_Server.py
04_SEMINARS/S12/README.md
04_SEMINARS/S12/assets/puml/fig-grpc-calculator-architecture.puml
04_SEMINARS/S12/assets/puml/fig-grpc-client-server-flow.puml
04_SEMINARS/S12/assets/puml/fig-jsonrpc-request-response.puml
04_SEMINARS/S12/assets/puml/fig-protobuf-codegen-flow.puml
04_SEMINARS/S12/assets/puml/fig-rpc-call-types.puml
04_SEMINARS/S12/assets/puml/fig-rpc-vs-rest.puml
04_SEMINARS/S12/assets/render.sh
04_SEMINARS/S13/README.md
04_SEMINARS/S13/S13_Part01_Explanation_Pentest_Intro.md
04_SEMINARS/S13/S13_Part02_Config_Docker_Compose_Pentest.yml
04_SEMINARS/S13/S13_Part02_Tasks_Pentest.md
04_SEMINARS/S13/S13_Part03_Explanation_Scanning.md
04_SEMINARS/S13/S13_Part04_Script_Simple_Scanner.py
04_SEMINARS/S13/S13_Part04_Tasks_Scanning.md
04_SEMINARS/S13/S13_Part05_Explanation_Vuln_Enumeration.md
04_SEMINARS/S13/S13_Part06_Tasks_Vuln_Enumeration.md
04_SEMINARS/S13/S13_Part07_Explanation_Exploitation.md
04_SEMINARS/S13/S13_Part08_Tasks_Exploitation.md
04_SEMINARS/S13/S13_Part09B_Tasks_Exploit.md
04_SEMINARS/S13/S13_Part09_Explanation_Exploit_Script.md
04_SEMINARS/S13/S13_Part09_Script_FTP_Backdoor_Exploit.py
04_SEMINARS/S13/assets/puml/fig-pentest-lab-topology.puml
04_SEMINARS/S13/assets/puml/fig-pentest-workflow.puml
04_SEMINARS/S13/assets/puml/fig-tcp-port-states.puml
04_SEMINARS/S13/assets/puml/fig-vsftpd-backdoor-exploit.puml
04_SEMINARS/S13/assets/puml/fig-vuln-enumeration-tools.puml
04_SEMINARS/S13/assets/render.sh
04_SEMINARS/S14/README.md
04_SEMINARS/S14/S14_Part01_Explanation_Revision_and_Assessment.md
04_SEMINARS/S14/S14_Part02_Tasks_Preparation.md
04_SEMINARS/S14/S14_Part03_Template_Assessment_Rubric.md
04_SEMINARS/S14/assets/images/.gitkeep
04_SEMINARS/S14/assets/puml/fig-assessment-workflow.puml
04_SEMINARS/S14/assets/render.sh
04_SEMINARS/_HTMLsupport/README.md
04_SEMINARS/_HTMLsupport/S01/S01_CLI_NetcatTCP-UDP_Wireshark_sim.html
04_SEMINARS/_HTMLsupport/S01/S01_Part01_Page_CLI_Netcat_Wireshark_Sim.html
04_SEMINARS/_HTMLsupport/S02/S02_Part01_Example_TCP_Server.html
04_SEMINARS/_HTMLsupport/S02/S02_Part02_Template_TCP_Server.html
04_SEMINARS/_HTMLsupport/S02/S02_Part03_Scenario_TCP_Server_Netcat_Wireshark.html
04_SEMINARS/_HTMLsupport/S02/S02_Part04_Example_TCP_Client.html
04_SEMINARS/_HTMLsupport/S02/S02_Part05_Template_TCP_Client.html
04_SEMINARS/_HTMLsupport/S02/S02_Part06_Scenario_TCP_Client.html
04_SEMINARS/_HTMLsupport/S02/S02_Part07_Example_UDP_Server.html
04_SEMINARS/_HTMLsupport/S02/S02_Part08_Template_UDP_Server.html
04_SEMINARS/_HTMLsupport/S02/S02_Part09_Example_UDP_Client.html
04_SEMINARS/_HTMLsupport/S02/S02_Part10_Template_UDP_Client.html
04_SEMINARS/_HTMLsupport/S02/S02_Part11_Scenario_UDP_Server_Client_Wireshark.html
04_SEMINARS/_HTMLsupport/S03/4_udp-broadcast/S03_Part04_Page_UDP_Broadcast.html
04_SEMINARS/_HTMLsupport/S03/5_udp-multicast/S03_Part05_Page_UDP_Multicast.html
04_SEMINARS/_HTMLsupport/S03/6_udp-anycast/S03_Part06_Page_UDP_Anycast.html
04_SEMINARS/_HTMLsupport/S03/S03_Part01_Example_TCP_Multi_client_Server.html
04_SEMINARS/_HTMLsupport/S03/S03_Part02_Template_TCP_Multi_client_Server.html
04_SEMINARS/_HTMLsupport/S03/S03_Part03_Scenario_TCP_Multi_client_Server.html
04_SEMINARS/_HTMLsupport/S04/1_text-proto_tcp/S04_Part01_Page_Text_Proto_TCP.html
04_SEMINARS/_HTMLsupport/S04/2_binary-proto_tcp/S04_Part02_Page_Binary_Proto_TCP.html
04_SEMINARS/_HTMLsupport/S04/3_proto_udp/S04_Part03_Page_Proto_UDP.html
04_SEMINARS/_HTMLsupport/S05/1_ipv4-subnetting/S05_Part01A_Explanation_I_Pv4_Subnetting.html
04_SEMINARS/_HTMLsupport/S05/1_ipv4-subnetting/S05_Part01B_Exercises_I_Pv4_Subnetting.html
04_SEMINARS/_HTMLsupport/S05/2_ipv6-subnetting/S05_Part02_Page_I_Pv6_Subnetting.html
04_SEMINARS/_HTMLsupport/S05/3_network-simulation/S05_Part03_Page_Network_Simulation.html
04_SEMINARS/_HTMLsupport/S06/1_routing/S06_Part01_Page_Routing_Triangle.html
04_SEMINARS/_HTMLsupport/S06/2_sdn/S06_Part02_Page_2_ab_SDN_Topo_Switch.html
04_SEMINARS/_HTMLsupport/S06/2_sdn/S06_Part02_Page_2_cd_SDNOS_Ken_Controller.html
04_SEMINARS/_HTMLsupport/S06/3_sdn-app-traffic/S06_Part03_Page_SDN_App_Traffic.html
04_SEMINARS/_HTMLsupport/S07/1_sniffing/S07_Part01_Page_Sniffing.html
04_SEMINARS/_HTMLsupport/S07/2_packet-filter/S07_Part02_Page_Packet_Filter_V1.html
04_SEMINARS/_HTMLsupport/S07/2_packet-filter/S07_Part02_Page_Packet_Filter_V2.html
04_SEMINARS/_HTMLsupport/S07/3_port-scanning/S07_Part03_Page_Port_Scanning.html
04_SEMINARS/_HTMLsupport/S07/4_scan-detector/S07_Part04_Page_Scan_Detector.html
04_SEMINARS/_HTMLsupport/S07/5_mini-ids/S07_Part05_Page_Mini_IDS.html
04_SEMINARS/_HTMLsupport/S08/1_testing-tools/S08_Part01_Page_Testing_Tools.html
04_SEMINARS/_HTMLsupport/S08/2_simple-http/S08_Part02_Page_Simple_HTTP.html
04_SEMINARS/_HTMLsupport/S08/3_socket-http/S08_Part03_Page_Socket_HTTP.html
04_SEMINARS/_HTMLsupport/S08/3_socket-http/static/S08_Part03_Page_Index.html
04_SEMINARS/_HTMLsupport/S08/4_nginx/S08_Part04_Page_Nginx.html
04_SEMINARS/_HTMLsupport/S09/1_ftp/S09_Part01_Page_FTP.html
04_SEMINARS/_HTMLsupport/S09/2_custom-pseudo-ftp/S09_Part02_Page_Custom_Pseudo_FTP.html
04_SEMINARS/_HTMLsupport/S09/3_multi-client-containers/S09_Part03_Page_Multi_Client_Containers.html
04_SEMINARS/_HTMLsupport/S10/1_intro/S10_Part01_Page_Intro.html
04_SEMINARS/_HTMLsupport/S10/2_dns-containers/S10_Part02_Page_DNS_Containers.html
04_SEMINARS/_HTMLsupport/S10/3_ssh/S10_Part03_Page_SSH.html
04_SEMINARS/_HTMLsupport/S10/4_ssh-port-forwarding/S10_Part04_Page_SSH_Port_Forwarding.html
04_SEMINARS/_HTMLsupport/S10/4_ssh-port-forwarding/web-content/S10_Part04_Page_Index.html
04_SEMINARS/_HTMLsupport/S11/1_nginx-compose/S11_Part01_Page_Nginx_Compose.html
04_SEMINARS/_HTMLsupport/S11/1_nginx-compose/web1/S11_Part01_Page_Index.html
04_SEMINARS/_HTMLsupport/S11/1_nginx-compose/web2/S11_Part01_Page_Index.html
04_SEMINARS/_HTMLsupport/S11/1_nginx-compose/web3/S11_Part01_Page_Index.html
04_SEMINARS/_HTMLsupport/S11/2_custom-load-balancer/S11_Part02_Page_Custom_Load_Balancer.html
04_SEMINARS/_HTMLsupport/S11/2_custom-load-balancer/web1/S11_Part02_Page_Index.html
04_SEMINARS/_HTMLsupport/S11/2_custom-load-balancer/web2/S11_Part02_Page_Index.html
04_SEMINARS/_HTMLsupport/S11/2_custom-load-balancer/web3/S11_Part02_Page_Index.html
04_SEMINARS/_HTMLsupport/S12/1_jsonrpc/S12_Part01_Page_JSONRPC.html
04_SEMINARS/_HTMLsupport/S12/2_protobuf/S12_Part02_Page_Protobuf.html
04_SEMINARS/_HTMLsupport/S12/3_grpc/S12_Part03_Page_g_RPC.html
04_SEMINARS/_HTMLsupport/S13/S13_Part04_Page_S13_A_Simple_Scanner.html
04_SEMINARS/_tutorial-solve/README.md
04_SEMINARS/_tutorial-solve/s1/S01_Part02_Output_Basic_Tools.txt
04_SEMINARS/_tutorial-solve/s1/S01_Part04_Output_Netcat_Activity.txt
04_SEMINARS/_tutorial-solve/s1/S01_Part06_Output_Wireshark_Activity.md
04_SEMINARS/_tutorial-solve/s2/S02_Part02_Solution_TCP_Server_Template.py
CHANGELOG.md
LICENCE.md
README.md
current-outline.md
format-offline.js
package.json
requirements-optional.txt

8.4 Appendix D — Path-based removals from compnet-2025-redo-main

Full list of removed paths (relative to repository root): 500 entries

assets/course/c1/assets/images/fig-circuit-vs-pachete.png
assets/course/c1/assets/images/fig-dispozitive.png
assets/course/c1/assets/images/fig-hub-switch-router.png
assets/course/c1/assets/images/fig-incapsulare.png
assets/course/c1/assets/images/fig-lan-wan-internet.png
assets/course/c1/assets/images/fig-medii-transmisie.png
assets/course/c1/assets/images/fig-medii.png
assets/course/c1/assets/images/fig-retea-vs-sistem.png
assets/course/c1/assets/images/fig-topologii.png
assets/course/c1/assets/puml/fig-circuit-vs-pachete.puml
assets/course/c1/assets/puml/fig-dispozitive.puml
assets/course/c1/assets/puml/fig-hub-switch-router.puml
assets/course/c1/assets/puml/fig-incapsulare.puml
assets/course/c1/assets/puml/fig-lan-wan-internet.puml
assets/course/c1/assets/puml/fig-medii.puml
assets/course/c1/assets/puml/fig-retea-vs-sistem.puml
assets/course/c1/assets/puml/fig-topologii.puml
assets/course/c1/assets/render.sh
assets/course/c1/assets/scenario-capture-basics/README.md
assets/course/c1/assets/scenario-capture-basics/dns-query.py
assets/course/c1/assets/scenario-capture-basics/start-http-server.py
assets/course/c1/assets/scenario-ping-traceroute/README.md
assets/course/c1/c1-fundamente-retele.md
assets/course/c1/c1-fundamente-retele.pptx
assets/course/c1/render-presentation.py
assets/course/c10/assets/images/fig-http-reverse-proxy.png
assets/course/c10/assets/images/fig-http11-vs-http2.png
assets/course/c10/assets/images/fig-https-tls-termination.png
assets/course/c10/assets/images/fig-websocket-upgrade-proxy.png
assets/course/c10/assets/puml/fig-http-reverse-proxy.puml
assets/course/c10/assets/puml/fig-http11-vs-http2.puml
assets/course/c10/assets/puml/fig-https-tls-termination.puml
assets/course/c10/assets/puml/fig-websocket-upgrade-proxy.puml
assets/course/c10/assets/render.sh
assets/course/c10/assets/scenario-custom-http-semantics/README.md
assets/course/c10/assets/scenario-custom-http-semantics/client.py
assets/course/c10/assets/scenario-custom-http-semantics/server.py
assets/course/c10/assets/scenario-http-compose/README.md
assets/course/c10/assets/scenario-http-compose/api/Dockerfile
assets/course/c10/assets/scenario-http-compose/api/app.py
assets/course/c10/assets/scenario-http-compose/api/requirements.txt
assets/course/c10/assets/scenario-http-compose/docker-compose.yml
assets/course/c10/assets/scenario-http-compose/nginx/nginx.conf
assets/course/c10/assets/scenario-http-compose/web/Dockerfile
assets/course/c10/assets/scenario-http-compose/web/index.html
assets/course/c10/assets/scenario-http-compose/web/server.py
assets/course/c10/assets/scenario-rest-maturity/README.md
assets/course/c10/assets/scenario-rest-maturity/client-test.py
assets/course/c10/assets/scenario-rest-maturity/common.py
assets/course/c10/assets/scenario-rest-maturity/server-level0.py
assets/course/c10/assets/scenario-rest-maturity/server-level1.py
assets/course/c10/assets/scenario-rest-maturity/server-level2.py
assets/course/c10/assets/scenario-rest-maturity/server-level3.py
assets/course/c10/assets/scenario-websocket-protocol/README.md
assets/course/c10/assets/scenario-websocket-protocol/index.html
assets/course/c10/assets/scenario-websocket-protocol/protocol.md
assets/course/c10/assets/scenario-websocket-protocol/server.py
assets/course/c10/c10.md
assets/course/c11/assets/images/fig-dns-actors.png
assets/course/c11/assets/images/fig-dns-resolution-overview.png
assets/course/c11/assets/images/fig-dnssec-chain-of-trust.png
assets/course/c11/assets/images/fig-ftp-active-vs-passive.png
assets/course/c11/assets/images/fig-ftp-control-data.png
assets/course/c11/assets/images/fig-ssh-channels.png
assets/course/c11/assets/images/fig-ssh-port-forwarding.png
assets/course/c11/assets/puml/fig-dns-actors.puml
assets/course/c11/assets/puml/fig-dns-resolution-overview.puml
assets/course/c11/assets/puml/fig-dnssec-chain-of-trust.puml
assets/course/c11/assets/puml/fig-ftp-active-vs-passive.puml
assets/course/c11/assets/puml/fig-ftp-control-data.puml
assets/course/c11/assets/puml/fig-ssh-channels.puml
assets/course/c11/assets/puml/fig-ssh-port-forwarding.puml
assets/course/c11/assets/render.sh
assets/course/c11/assets/scenario-dns-ttl-caching/README.md
assets/course/c11/assets/scenario-dns-ttl-caching/auth/named.conf
assets/course/c11/assets/scenario-dns-ttl-caching/auth/zones/example.zone
assets/course/c11/assets/scenario-dns-ttl-caching/client/query.py
assets/course/c11/assets/scenario-dns-ttl-caching/docker-compose.yml
assets/course/c11/assets/scenario-dns-ttl-caching/resolver/unbound.conf
assets/course/c11/assets/scenario-ftp-baseline/README.md
assets/course/c11/assets/scenario-ftp-baseline/client/ftp_client.py
assets/course/c11/assets/scenario-ftp-baseline/docker-compose.yml
assets/course/c11/assets/scenario-ftp-baseline/server/ftp_server.py
assets/course/c11/assets/scenario-ftp-nat-firewall/README.md
assets/course/c11/assets/scenario-ftp-nat-firewall/client/ftp_client.py
assets/course/c11/assets/scenario-ftp-nat-firewall/docker-compose.yml
assets/course/c11/assets/scenario-ftp-nat-firewall/natfw/setup.sh
assets/course/c11/assets/scenario-ssh-provision/README.md
assets/course/c11/assets/scenario-ssh-provision/controller/plan.json
assets/course/c11/assets/scenario-ssh-provision/controller/provision.py
assets/course/c11/assets/scenario-ssh-provision/docker-compose.yml
assets/course/c11/assets/scenario-ssh-provision/nodes/node1/Dockerfile
assets/course/c11/assets/scenario-ssh-provision/payload/index.html
assets/course/c11/c11.md
assets/course/c12/assets/images/fig-email-system.png
assets/course/c12/assets/images/fig-imap-session-states.png
assets/course/c12/assets/images/fig-mime-multipart.png
assets/course/c12/assets/images/fig-pop3-session.png
assets/course/c12/assets/images/fig-smtp-transaction.png
assets/course/c12/assets/puml/fig-email-system.puml
assets/course/c12/assets/puml/fig-imap-session-states.puml
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assets/tutorial/s5/1_ipv4-subnetting/1b_ipv4-subnetting_exercises.md
assets/tutorial/s5/1_ipv4-subnetting/1c_ipv4-subnetting_solutions-template.md
assets/tutorial/s5/2_ipv6-subnetting/1a_ipv6-subnetting_explanation.md
assets/tutorial/s5/2_ipv6-subnetting/1b_ipv6-subnetting_exercises.md
assets/tutorial/s5/2_ipv6-subnetting/1c_ipv6-subnetting_solutions-template.md
assets/tutorial/s5/3_network-simulation/3a_mininet-topology_explanation.md
assets/tutorial/s5/3_network-simulation/3b_mininet-topology.py
assets/tutorial/s5/3_network-simulation/3c_mininet-config_tasks.md
assets/tutorial/s6/1_routing/1a_routing-triangle_explanation.md
assets/tutorial/s6/1_routing/1b_routing-triangle_topology.py
assets/tutorial/s6/1_routing/1c_routing-triangle_tasks.md
assets/tutorial/s6/2_sdn/2a_sdn_explanation.md
assets/tutorial/s6/2_sdn/2b_sdn_topo_switch.py
assets/tutorial/s6/2_sdn/2c_sdn-os-ken_controller.py
assets/tutorial/s6/2_sdn/2d_sdn_tasks.md
assets/tutorial/s6/3_sdn-app-traffic/3a_sdn_app-traffic_explanation.md
assets/tutorial/s6/3_sdn-app-traffic/3b_sdn_app-traffic_tasks.md
assets/tutorial/s6/3_sdn-app-traffic/tcp_client.py
assets/tutorial/s6/3_sdn-app-traffic/tcp_server.py
assets/tutorial/s6/3_sdn-app-traffic/udp_client.py
assets/tutorial/s6/3_sdn-app-traffic/udp_server.py
assets/tutorial/s7/1_sniffing/1a_packet-sniffing_explanation.md
assets/tutorial/s7/1_sniffing/1b_packet_sniffer.py
assets/tutorial/s7/1_sniffing/1c_packet-sniffing_tasks.md
assets/tutorial/s7/2_packet-filter/2a_packet-filter.py
assets/tutorial/s7/2_packet-filter/2b_packet-filter_tasks.md
assets/tutorial/s7/3_port-scanning/3a_port_scanner.py
assets/tutorial/s7/3_port-scanning/3b_porst-scanner_tasks.md
assets/tutorial/s7/3_port-scanning/scan_results.txt
assets/tutorial/s7/4_scan-detector/4a_detect-scan.py
assets/tutorial/s7/4_scan-detector/4b_detect-scan_tasks.md
assets/tutorial/s7/5_mini-ids/5a_mini-ids.py
assets/tutorial/s7/5_mini-ids/5b_mini-ids_tasks.md
assets/tutorial/s8/1_testing-tools/1a_http-intro_explanation.md
assets/tutorial/s8/1_testing-tools/1b_http-intro_tasks.md
assets/tutorial/s8/2_simple-http/2a_httpserver-builtin_explanation.md
assets/tutorial/s8/2_simple-http/2b_simple-http-builtin_example.py
assets/tutorial/s8/2_simple-http/2c_httpserver-builtin_tesks.md
assets/tutorial/s8/3_socket-http/3a_http-socket_explanation.md
assets/tutorial/s8/3_socket-http/3b_socket-http-server_example.py
assets/tutorial/s8/3_socket-http/3x_http-socket_tasks.md
assets/tutorial/s8/3_socket-http/static/index.html
assets/tutorial/s8/4_nginx/4a_nginx-reverse-proxy_explanation.md
assets/tutorial/s8/4_nginx/4b_nginx-reverse-proxy_tasks.md
assets/tutorial/s8/4_nginx/docker-compose.yml
assets/tutorial/s8/4_nginx/nginx.conf
assets/tutorial/s9/1_ftp/1a_file-protocols-intro_explanation.md
assets/tutorial/s9/1_ftp/1b_pyftpd_explanation.md
assets/tutorial/s9/1_ftp/1c_pyftpd-server.py
assets/tutorial/s9/1_ftp/1d_pyftpd-client.py
assets/tutorial/s9/1_ftp/1e_pyftpd_tasks.md
assets/tutorial/s9/2_custom-pseudo-ftp/2a_pseudo-ftp_explanation.md
assets/tutorial/s9/2_custom-pseudo-ftp/2b_pseudo-ftp-server.py
assets/tutorial/s9/2_custom-pseudo-ftp/2c_pseudo-ftp-client.py
assets/tutorial/s9/2_custom-pseudo-ftp/2d_psedo-ftp_tasks.md
assets/tutorial/s9/3_multi-client-containers/3a_multi-client_containers_explanation.md
assets/tutorial/s9/3_multi-client-containers/3b_multi-client_containers_tasks.md
assets/tutorial/s9/3_multi-client-containers/docker-compose.yml
assets/tutorial/s9/3_multi-client-containers/pyftpd_multi_client.py
assets/tutorial/s9/3_multi-client-containers/pyftpd_server.py

8.5 Appendix E — Scenario-by-scenario subtree inventory (lectures)

The following section provides a scenario-level inventory, including unchanged and modified files and whether code-level artefacts changed.

C01 — scenario-capture-basics (unchanged 1, modified 2, added 0, removed 0)

Old: assets/course/c1/assets/scenario-capture-basics
New: 03_LECTURES/C01/assets/scenario-capture-basics

Unchanged files (1):
- start-http-server.py
Modified files (2):
- README.md (≈ +58/-29 lines)
- dns-query.py (≈ +2/-2 lines)

C01 — scenario-ping-traceroute (unchanged 0, modified 1, added 0, removed 0)

Old: assets/course/c1/assets/scenario-ping-traceroute
New: 03_LECTURES/C01/assets/scenario-ping-traceroute

Modified files (1):
- README.md (≈ +47/-25 lines)

C02 — scenario-tcp-udp-layers (unchanged 2, modified 3, added 0, removed 0)

Old: assets/course/c2/assets/scenario-tcp-udp-layers
New: 03_LECTURES/C02/assets/scenario-tcp-udp-layers

Unchanged files (2):
- tcp-server.py
- udp-server.py
Modified files (3):
- README.md (≈ +66/-35 lines)
- tcp-client.py (≈ +1/-1 lines)
- udp-client.py (≈ +1/-1 lines)

C03 — scenario-scapy-icmp (unchanged 1, modified 1, added 0, removed 0)

Old: assets/course/c3/scenario-scapy-icmp
New: 03_LECTURES/C03/assets/scenario-scapy-icmp

Unchanged files (1):
- icmp-ping.py
Modified files (1):
- README.md (≈ +38/-10 lines)

C03 — scenario-tcp-framing (unchanged 1, modified 2, added 0, removed 0)

Old: assets/course/c3/scenario-tcp-framing
New: 03_LECTURES/C03/assets/scenario-tcp-framing

Unchanged files (1):
- server.py
Modified files (2):
- README.md (≈ +37/-8 lines)
- client.py (≈ +1/-1 lines)

C03 — scenario-tcp-multiclient (unchanged 1, modified 2, added 0, removed 0)

Old: assets/course/c3/scenario-tcp-multiclient
New: 03_LECTURES/C03/assets/scenario-tcp-multiclient

Unchanged files (1):
- server.py
Modified files (2):
- README.md (≈ +35/-6 lines)
- client.py (≈ +1/-1 lines)

C03 — scenario-udp-session-ack (unchanged 1, modified 2, added 0, removed 0)

Old: assets/course/c3/scenario-udp-session-ack
New: 03_LECTURES/C03/assets/scenario-udp-session-ack

Unchanged files (1):
- server.py
Modified files (2):
- README.md (≈ +38/-9 lines)
- client.py (≈ +1/-1 lines)

C05 — scenario-cidr-basic (unchanged 0, modified 2, added 0, removed 0)

Old: assets/course/c5/assets/scenario-cidr-basic
New: 03_LECTURES/C05/assets/scenario-cidr-basic

Modified files (2):
- README.md (≈ +38/-10 lines)
- cidr-calc.py (≈ +2/-2 lines)

C05 — scenario-ipv4-ipv6-capture (unchanged 0, modified 1, added 0, removed 0)

Old: assets/course/c5/assets/scenario-ipv4-ipv6-capture
New: 03_LECTURES/C05/assets/scenario-ipv4-ipv6-capture

Modified files (1):
- README.md (≈ +36/-14 lines)

C05 — scenario-ipv6-shortening (unchanged 0, modified 2, added 0, removed 0)

Old: assets/course/c5/assets/scenario-ipv6-shortening
New: 03_LECTURES/C05/assets/scenario-ipv6-shortening

Modified files (2):
- README.md (≈ +35/-4 lines)
- ipv6-norm.py (≈ +1/-1 lines)

C05 — scenario-subnetting-flsm (unchanged 0, modified 2, added 0, removed 0)

Old: assets/course/c5/assets/scenario-subnetting-flsm
New: 03_LECTURES/C05/assets/scenario-subnetting-flsm

Modified files (2):
- README.md (≈ +34/-6 lines)
- flsm-split.py (≈ +1/-1 lines)

C05 — scenario-vlsm (unchanged 0, modified 2, added 0, removed 0)

Old: assets/course/c5/assets/scenario-vlsm
New: 03_LECTURES/C05/assets/scenario-vlsm

Modified files (2):
- README.md (≈ +34/-6 lines)
- vlsm-alloc.py (≈ +3/-3 lines)

C06 — scenario-arp-capture (unchanged 0, modified 1, added 0, removed 0)

Old: assets/course/c6/assets/scenario-arp-capture
New: 03_LECTURES/C06/assets/scenario-arp-capture

Modified files (1):
- README.md (≈ +26/-4 lines)

C06 — scenario-dhcp-capture (unchanged 0, modified 1, added 0, removed 0)

Old: assets/course/c6/assets/scenario-dhcp-capture
New: 03_LECTURES/C06/assets/scenario-dhcp-capture

Modified files (1):
- README.md (≈ +28/-6 lines)

C06 — scenario-icmp-traceroute (unchanged 0, modified 1, added 0, removed 0)

Old: assets/course/c6/assets/scenario-icmp-traceroute
New: 03_LECTURES/C06/assets/scenario-icmp-traceroute

Modified files (1):
- README.md (≈ +28/-6 lines)

C06 — scenario-nat-linux (unchanged 1, modified 1, added 0, removed 0)

Old: assets/course/c6/assets/scenario-nat-linux
New: 03_LECTURES/C06/assets/scenario-nat-linux

Unchanged files (1):
- nat-demo.sh
Modified files (1):
- README.md (≈ +41/-13 lines)

C06 — scenario-ndp-capture (unchanged 0, modified 1, added 0, removed 0)

Old: assets/course/c6/assets/scenario-ndp-capture
New: 03_LECTURES/C06/assets/scenario-ndp-capture

Modified files (1):
- README.md (≈ +29/-7 lines)

C07 — scenario-bellman-ford (unchanged 1, modified 1, added 0, removed 0)

Old: assets/course/c7/assets/scenario-bellman-ford
New: 03_LECTURES/C07/assets/scenario-bellman-ford

Unchanged files (1):
- bellman_ford.py
Modified files (1):
- README.md (≈ +33/-5 lines)

C07 — scenario-dijkstra (unchanged 0, modified 1, added 1, removed 1)

Old: assets/course/c7/assets/scenario-djikstra
New: 03_LECTURES/C07/assets/scenario-dijkstra

Modified files (1):
- README.md (≈ +34/-6 lines)
Added files in COMPNET-EN (1):
- dijkstra.py
Removed files from backbone (1):
- djikstra.py

C07 — scenario-mininet-routing (unchanged 0, modified 2, added 0, removed 0)

Old: assets/course/c7/assets/scenario-mininet-routing
New: 03_LECTURES/C07/assets/scenario-mininet-routing

Modified files (2):
- README.md (≈ +58/-33 lines)
- tringle-net.py (≈ +18/-18 lines)

C08 — scenario-tcp-handshake-tcpdump (unchanged 3, modified 2, added 0, removed 0)

Old: assets/course/c8/assets/scenario-tcp-handshake-tcpdump
New: 03_LECTURES/C08/assets/scenario-tcp-handshake-tcpdump

Unchanged files (3):
- cleanup.sh
- run.sh
- server.py
Modified files (2):
- README.md (≈ +47/-16 lines)
- client.py (≈ +1/-1 lines)

C08 — scenario-tls-openssl (unchanged 4, modified 1, added 0, removed 0)

Old: assets/course/c8/assets/scenario-tls-openssl
New: 03_LECTURES/C08/assets/scenario-tls-openssl

Unchanged files (4):
- cleanup.sh
- gen_certs.sh
- run_client.sh
- run_server.sh
Modified files (1):
- README.md (≈ +48/-17 lines)

C08 — scenario-udp-vs-tcp-loss (unchanged 6, modified 1, added 0, removed 0)

Old: assets/course/c8/assets/scenario-udp-vs-tcp-loss
New: 03_LECTURES/C08/assets/scenario-udp-vs-tcp-loss

Unchanged files (6):
- run.sh
- tcp_receiver.py
- tcp_sender.py
- topo.py
- udp_receiver.py
- udp_sender.py
Modified files (1):
- README.md (≈ +52/-19 lines)

C09 — scenario-encoding-utf8 (unchanged 1, modified 2, added 0, removed 0)

Old: assets/course/c9/assets/scenario-encoding-utf8
New: 03_LECTURES/C09/assets/scenario-encoding-utf8

Unchanged files (1):
- run.sh
Modified files (2):
- README.md (≈ +42/-13 lines)
- server.py (≈ +2/-2 lines)

C09 — scenario-mime-encoding-gzip (unchanged 3, modified 2, added 0, removed 0)

Old: assets/course/c9/assets/scenario-mime-encoding-gzip
New: 03_LECTURES/C09/assets/scenario-mime-encoding-gzip

Unchanged files (3):
- data.json
- run.sh
- server.py
Modified files (2):
- README.md (≈ +47/-16 lines)
- index.html (≈ +3/-3 lines)

C10 — scenario-custom-http-semantics (unchanged 2, modified 1, added 0, removed 0)

Old: assets/course/c10/assets/scenario-custom-http-semantics
New: 03_LECTURES/C10/assets/scenario-custom-http-semantics

Unchanged files (2):
- client.py
- server.py
Modified files (1):
- README.md (≈ +38/-9 lines)

C10 — scenario-http-compose (unchanged 7, modified 2, added 0, removed 0)

Old: assets/course/c10/assets/scenario-http-compose
New: 03_LECTURES/C10/assets/scenario-http-compose

Unchanged files (7):
- api/Dockerfile
- api/app.py
- api/requirements.txt
- docker-compose.yml
- nginx/nginx.conf
- web/Dockerfile
- web/server.py
Modified files (2):
- README.md (≈ +46/-15 lines)
- web/index.html (≈ +2/-2 lines)

C10 — scenario-rest-maturity (unchanged 6, modified 1, added 0, removed 0)

Old: assets/course/c10/assets/scenario-rest-maturity
New: 03_LECTURES/C10/assets/scenario-rest-maturity

Unchanged files (6):
- client-test.py
- common.py
- server-level0.py
- server-level1.py
- server-level2.py
- server-level3.py
Modified files (1):
- README.md (≈ +35/-2 lines)

C10 — scenario-websocket-protocol (unchanged 1, modified 3, added 0, removed 0)

Old: assets/course/c10/assets/scenario-websocket-protocol
New: 03_LECTURES/C10/assets/scenario-websocket-protocol

Unchanged files (1):
- server.py
Modified files (3):
- README.md (≈ +39/-9 lines)
- index.html (≈ +2/-2 lines)
- protocol.md (≈ +7/-7 lines)

C11 — scenario-dns-ttl-caching (unchanged 5, modified 1, added 0, removed 0)

Old: assets/course/c11/assets/scenario-dns-ttl-caching
New: 03_LECTURES/C11/assets/scenario-dns-ttl-caching

Unchanged files (5):
- auth/named.conf
- auth/zones/example.zone
- client/query.py
- docker-compose.yml
- resolver/unbound.conf
Modified files (1):
- README.md (≈ +45/-14 lines)

C11 — scenario-ftp-baseline (unchanged 2, modified 2, added 1, removed 0)

Old: assets/course/c11/assets/scenario-ftp-baseline
New: 03_LECTURES/C11/assets/scenario-ftp-baseline

Unchanged files (2):
- client/ftp_client.py
- docker-compose.yml
Modified files (2):
- README.md (≈ +48/-17 lines)
- server/ftp_server.py (≈ +1/-1 lines)
Added files in COMPNET-EN (1):
- data/.gitkeep

C11 — scenario-ftp-nat-firewall (unchanged 2, modified 2, added 3, removed 0)

Old: assets/course/c11/assets/scenario-ftp-nat-firewall
New: 03_LECTURES/C11/assets/scenario-ftp-nat-firewall

Unchanged files (2):
- docker-compose.yml
- natfw/setup.sh
Modified files (2):
- README.md (≈ +47/-15 lines)
- client/ftp_client.py (≈ +2/-2 lines)
Added files in COMPNET-EN (3):
- data/README.txt
- ftp/README.txt
- ftp/ftp_server.py

C11 — scenario-ssh-provision (unchanged 4, modified 2, added 0, removed 0)

Old: assets/course/c11/assets/scenario-ssh-provision
New: 03_LECTURES/C11/assets/scenario-ssh-provision

Unchanged files (4):
- controller/plan.json
- controller/provision.py
- docker-compose.yml
- nodes/node1/Dockerfile
Modified files (2):
- README.md (≈ +47/-16 lines)
- payload/index.html (≈ +2/-3 lines)

C12 — scenario-local-mailbox (unchanged 7, modified 1, added 1, removed 0)

Old: assets/course/c12/assets/scenario-local-mailbox
New: 03_LECTURES/C12/assets/scenario-local-mailbox

Unchanged files (7):
- docker-compose.yml
- mailserver.env
- requirements.txt
- scripts/fetch_imap.py
- scripts/fetch_pop3.py
- scripts/send_attachment_smtp.py
- scripts/send_mail_smtp.py
Modified files (1):
- README.md (≈ +45/-19 lines)
Added files in COMPNET-EN (1):
- docker-mailserver/.gitkeep

C13 — scenario-iot-basic (unchanged 6, modified 1, added 0, removed 0)

Old: assets/course/c13/assets/scenario-iot-basic
New: 03_LECTURES/C13/assets/scenario-iot-basic

Unchanged files (6):
- actuator/Dockerfile
- actuator/actuator.py
- docker-compose.yml
- mosquitto/mosquitto.conf
- sensor/Dockerfile
- sensor/sensor.py
Modified files (1):
- README.md (≈ +41/-10 lines)

C13 — scenario-vulnerability-lab (unchanged 5, modified 1, added 0, removed 0)

Old: assets/course/c13/assets/scenario-vulnerability-lab
New: 03_LECTURES/C13/assets/scenario-vulnerability-lab

Unchanged files (5):
- attacker/Dockerfile
- docker-compose.yml
- target/Dockerfile
- target/app-hardened.py
- target/app.py
Modified files (1):
- README.md (≈ +41/-11 lines)

9) Notes, caveats and quality signals

Symlinks: no symlinks were detected in either archive.
Binary artefacts: the backbone’s plantuml.jar and most PNG diagrams are not present in COMPNET-EN-main, which materially reduces repository size and pushes rendering to tooling.
Python bytecode: COMPNET-EN-main contains committed .pyc files under 04_SEMINARS/S06/__pycache__/. This is inconsistent with the .gitignore policy and may be treated as a clean-up candidate if the repository is intended to remain source-only.

10. Supplementary downstream delta (COMPNET-EN-main -> COMPNET-EN-main_PHASEC_plus_more_labs_QAfix)

10.1 Scope, rationale and method

This second comparison extends the original backbone-focused changelog with a downstream evolution layer. The two snapshots compared here are:

Baseline downstream kit: COMPNET-EN-main.zip
Current phase-complete kit: COMPNET-EN-main_PHASEC_plus_more_labs_QAfix.zip

The goal is to describe the cumulative delta introduced by:

Phase A — low-risk additions
Phase B — reliability improvements
Phase C — capstone and runner framework
Phase C follow-up — broader lab_runner registry coverage
Post-Phase C QA hardening — functional repair, bytecode cleanup and audit artefacts

The same audit method used in Part I is reused here:

Path-based comparison — additions, removals and modifications by relative path
SHA-256 identity — verbatim reuse detection
Text-level delta statistics — approximate line additions/deletions for modified UTF-8 artefacts
Registry-aware scenario inspection — explicit attention to Docker Compose labs exposed through 00_TOOLS/lab_runner/labs.json

10.2 Snapshot metrics

Metric	COMPNET-EN-main	COMPNET-EN-main_PHASEC_plus_more_labs_QAfix
Archive name	COMPNET-EN-main.zip	COMPNET-EN-main_PHASEC_plus_more_labs_QAfix.zip
Total files	1193	1249
Total size (bytes)	8349028	8214002
Total size (MiB)	7.96	7.83
Text files (UTF-8 decodable)	1185	1247
Total text lines	176407	179381
Total text words (heuristic)	860860	874362
Symlinks	0	0

Key observations:

The later archive grows from 1193 to 1249 files, but shrinks from 8349028 to 8214002 bytes (a reduction of 135,026 bytes).
The size reduction is explained largely by the removal of committed .pyc bytecode caches and by the fact that most new content is lightweight text/configuration rather than large binaries.
Textual surface area increases by 2,974 lines and 13,502 heuristic words, which is consistent with the addition of new READMEs, overlays, helper scripts and audit documents.

10.3 Structural footprint

Top-level file distribution:

Top-level	COMPNET-EN-main	COMPNET-EN-main_PHASEC_plus_more_labs_QAfix	Delta
(root)	12	14	2
00_APPENDIX	132	126	-6
00_TOOLS	176	188	12
01_GUIDE_MININET-SDN	3	3	0
02_PROJECTS	193	193	0
03_LECTURES	320	361	41
04_SEMINARS	356	363	7
.github	1	1	0

Interpretation:

03_LECTURES/ absorbs the largest growth (+41 files), driven primarily by the new Week 14 integration lab, the advanced HTTP proxy overlay, the IoT TLS/CLI expansion and the C11 runtime-fix Dockerfiles.
00_TOOLS/ grows by 12 files, reflecting the introduction of lab_runner/, pcap/, mininet/ and subnetting/ utilities.
04_SEMINARS/ grows by 7 files, mainly due to S13 helper additions and the extra SDN controller variant in S06.
00_APPENDIX/ decreases by 6 files only because committed bytecode caches are removed; this is a hygiene improvement, not a content loss.

10.4 File type comparison

Selected extension counts:

Extension	COMPNET-EN-main	COMPNET-EN-main_PHASEC_plus_more_labs_QAfix	Delta
md	379	391	12
puml	386	386	0
py	138	154	16
yml	19	24	5
yaml	4	4	0
sh	51	55	4
html	100	101	1
png	1	1	0
json	30	31	1
proto	1	1	0
pyc	6	0	-6
xlsx	1	1	0
conf	6	13	7
env	1	1	0
zone	1	2	1
(no ext)	14	21	7

Operational implications:

Python scripts grow from 138 to 154, but only 4 existing Python paths are modified in place; most Python growth is additive.
Compose / YAML files grow from 23 to 28, reflecting healthcheck overlays, new Docker Compose scenarios and runner metadata.
Config artefacts (.conf, .zone) grow sharply from 7 to 15, because the new C14 integration lab and the optional MQTT/TLS support introduce more service-level configuration.
Committed .pyc files drop from 6 to 0, which materially improves distribution cleanliness.

10.5 Path-level delta summary

Category	Count	Interpretation
Old downstream paths retained (same relative path, regardless of content)	1187	99.50% of COMPNET-EN-main
Old downstream paths retained verbatim	1152	96.56% of COMPNET-EN-main
Old downstream paths modified in place	35	2.93% of COMPNET-EN-main
New downstream paths added	62	4.96% of final snapshot
Old downstream paths removed	6	0.50% of COMPNET-EN-main

The important contrast with Part I is that this downstream delta is highly path-stable. The transition from COMPNET-EN-main to the phase-complete QA-hardened kit is mostly incremental and additive, not architectural.

11. Downstream continuity and phase decomposition

11.1 Verbatim reuse of functional artefacts

Artefact family	Old count	New count	Old reused verbatim	Old modified in place	New additions
Python scripts (.py)	138	154	134	4	16
Compose / YAML (.yml, .yaml)	23	28	15	8	5
Shell scripts (.sh)	51	55	51	0	4
Config files (.conf, .zone)	7	15	6	1	8
Markdown (.md)	379	391	358	21	12

Interpretation:

Shell script continuity is perfect for existing paths: all 51 shell scripts from COMPNET-EN-main remain unchanged, and the four new shell scripts are purely additive.
Python continuity is also strong: 134 of the 138 baseline Python files are preserved verbatim, with only 4 existing Python files being modified in place.
The main locus of in-place change is Compose/YAML, which is exactly where reliability improvements were expected.
The downstream evolution therefore preserves the original educational backbone while adding opt-in functionality, orchestration convenience and runtime correctness.

11.2 Phase decomposition (cumulative view)

Phase	New paths introduced in final delta	Primary character	Representative additions or effects
Phase A — low-risk additions	24	Additive tools and optional scenario extensions	00_TOOLS/mininet/, 00_TOOLS/pcap/, 00_TOOLS/subnetting/, C13 MQTT TLS/CLI overlay, S13 defensive checker/report helper, S06 advanced SDN controller
Phase B — reliability improvements	3	Healthchecks, start-order gating and optional port environment support	C10/C11/C13 compose healthchecks; S13 .env support with generate_env_ports.py and s13_env.py
Phase C — capstone framework	29	Runner framework and new teaching scenario assets	00_TOOLS/lab_runner/, C10 advanced proxy overlay, C14 Week 14 integration lab
Phase C follow-up — registry expansion	0	Broader Compose registry coverage without repo refactor	labs.json expanded from pilot-only coverage to 18 registered labs
Post-Phase C QA hardening	6	Functional repair and archive hygiene	C11 dependency Dockerfiles, QA_AUDIT_REPORT.md, REVISELOG.md, removal of committed .pyc caches

The final snapshot therefore contains a cumulative delta rather than a single monolithic edit. In functional terms, the phases behave as follows:

Phase A enriches the repository with optional helpers and scenario extensions while deliberately avoiding breaking changes.
Phase B targets start-order reliability and local host-port robustness in Docker Compose labs.
Phase C adds a runner framework, a capstone integration lab and a more advanced HTTP reverse-proxy track.
The follow-up registry pass broadens runner coverage without refactoring repository structure.
The QA hardening pass corrects real runtime blockers in C11, removes accidental distribution noise and records the audit work explicitly.

11.3 Concentration of change

Change is concentrated, not diffuse:

02_PROJECTS/ remains untouched across this downstream delta.
C01–C09 lecture assets are untouched; change begins materially at C10, then intensifies in C11, C13 and C14.
Seminar changes are concentrated in S06 and S13.
At repository root, the only new files are QA_AUDIT_REPORT.md and REVISELOG.md.

This concentration is a positive coherence signal: the delta does not destabilise unrelated weeks.

12. Detailed downstream change log by area

12.1 Phase A — low-risk additions

The low-risk phase adds new tools and optional scenario layers without restructuring the baseline kit.

Path or area	What was added	Why it matters
00_TOOLS/mininet/ovs_reset.sh	Deep OVS / Mininet reset helper	Useful after failed SDN/mininet runs; added with README and executable-manifest entry.
00_TOOLS/pcap/pcap_stats.py	Dependency-light packet statistics helper	Supports auto-backend selection and a pure classic-PCAP fallback.
00_TOOLS/pcap/pcap_tshark_summary.py	Optional tshark-based summariser	Complements `pcap_stats.py` when tshark is available.
00_TOOLS/pcap/capture_demo.sh	Minimal capture demonstration wrapper	Provides a ready-made entry point for packet capture demonstrations.
00_TOOLS/subnetting/subnet_quiz_generator.py	Dynamic subnet/VLSM quiz generator	Adds optional practice generation without touching existing lecture assets.
03_LECTURES/C13/assets/scenario-iot-basic/docker-compose.tls.yml	TLS overlay for the MQTT scenario	Keeps plaintext as default while making TLS an opt-in extension.
03_LECTURES/C13/assets/scenario-iot-basic/docker-compose.cli.yml	CLI overlay/profile for MQTT testing	Introduces an explicit learner-facing client without altering the base stack.
03_LECTURES/C13/assets/scenario-iot-basic/client/mqtt_cli.py	CLI MQTT client	Provides a controllable publisher/subscriber entry point.
03_LECTURES/C13/assets/scenario-iot-basic/tls/generate_demo_certs.sh	Demo certificate generator	Produces a self-signed CA plus server certificate for the optional TLS lab.
04_SEMINARS/S13/S13_Part05_Script_Defensive_Vuln_Checker.py	Defensive-only vulnerability checker	Adds controlled enumeration without exploitation.
04_SEMINARS/S13/report_generator.py	Markdown report helper	Supports evidence-oriented reporting in S13.
04_SEMINARS/S06/2_sdn/S06_Part02C_Script_SDNOS_Ken_Controller_AdvancedPolicy.py	Advanced SDN controller variant	Adds an optional higher-level policy controller without replacing the baseline controller.

Further notes:

The MQTT baseline remains plaintext by default; TLS is introduced as a compose overlay, which preserves backwards compatibility while widening the teaching envelope.
The S13 defensive checker and report helper explicitly strengthen the defensive / evidence-oriented side of the security seminar, rather than pushing the kit further into exploit-centric content.
The advanced SDN controller is exposed as an extra in S06 and is documented as such; it does not replace the existing controller.

12.2 Phase B — reliability improvements

Phase B is dominated by Compose healthchecks, depends_on: condition: service_healthy wiring and optional local .env host-port generation for S13.

Compose file or area	Change	Operational effect
03_LECTURES/C10/assets/scenario-http-compose/docker-compose.yml	Added TCP healthchecks for `web` and `api`; `nginx` now waits for `service_healthy`.	Prevents proxy start before upstream sockets exist.
03_LECTURES/C11/assets/scenario-dns-ttl-caching/docker-compose.yml	Added PID1 healthchecks for `auth` and `resolver`; `client` waits for `resolver`.	Avoids DNS queries against not-yet-ready services.
03_LECTURES/C11/assets/scenario-ftp-baseline/docker-compose.yml	Added FTP socket healthcheck; `client` waits for a healthy server; later switched server from stock image to `build: ./server`.	Eliminates race conditions and ensures `pyftpdlib` exists at runtime.
03_LECTURES/C11/assets/scenario-ftp-nat-firewall/docker-compose.yml	Added FTP and NAT/firewall healthchecks; `client` waits for both; later switched FTP server to `build: ./ftp`.	Ensures routing/NAT is actually up before the FTP client runs and fixes `pyftpdlib` availability.
03_LECTURES/C11/assets/scenario-ssh-provision/docker-compose.yml	Added `sshd` readiness probe; `controller` waits; later switched controller to `build: ./controller`.	Prevents Paramiko automation from failing due to both timing and missing dependency (`paramiko`).
03_LECTURES/C13/assets/scenario-iot-basic/docker-compose.yml	Added broker healthcheck; sensor and actuator now wait for the broker.	Prevents initial MQTT connection failures from masking the lab goal.
03_LECTURES/C13/assets/scenario-iot-basic/docker-compose.cli.yml	Optional CLI profile now also waits for broker health.	Keeps the optional interactive client aligned with the main stack.
03_LECTURES/C13/assets/scenario-vulnerability-lab/docker-compose.yml	Added target TCP healthcheck; attacker waits for `service_healthy`.	Avoids false negatives when the attacker shell opens before the target binds port 8080.
04_SEMINARS/S13/S13_Part02_Config_Docker_Compose_Pentest.yml	Introduced `${VAR:-default}` host-port expansion for DVWA, WebGoat and vsftpd/backdoor exposure.	Allows local port conflict avoidance without changing the lab topology.

Additional S13 notes:

04_SEMINARS/S13/.env.example is added as a documented template.
04_SEMINARS/S13/generate_env_ports.py adds a conservative local generator that refuses to overwrite an existing .env.
04_SEMINARS/S13/s13_env.py gives the seminar scripts a small standard-library loader for the generated values.
04_SEMINARS/S13/S13_Part09_Script_FTP_Backdoor_Exploit.py is updated so that, when .env exists, it follows the configured host ports rather than silently assuming defaults.

12.3 Phase C — runner framework, advanced proxy and capstone lab

Phase C introduces the main structural additions of the downstream delta.

Component	Role	Why it matters
00_TOOLS/lab_runner/lab_runner.py	Standard-library Compose runner	Provides list/up/down/logs/status style orchestration from the repository root.
00_TOOLS/lab_runner/labs.json	Lab registry	Final snapshot registers 18 Compose-backed scenarios and variants.
03_LECTURES/C10/assets/scenario-http-compose/advanced/	Advanced Nginx proxy overlay	Adds a second backend plus failover, forwarded headers, rate limiting, caching and a smoke test.
03_LECTURES/C14/assets/scenario-week14-integration-lab/	Week 14 capstone scenario subtree	New end-to-end integration lab tying together DNS, HTTP, reverse proxying and optional TLS.
03_LECTURES/C14/c14-week14-integration-lab.md	Capstone handout	Provides the pedagogical wrapper, expected deliverables and suggested walkthrough.

Supporting documentation and indexing changes include:

00_TOOLS/README.md — now indexes and demonstrates the lab runner
README.md — tooling list now mentions the lab runner as an optional entry point
03_LECTURES/C14/README.md — indexes the new capstone lab
03_LECTURES/C14/c14-revision-and-exam-prep.md — now points explicitly to the integration lab as a final rehearsal route
03_LECTURES/C10/assets/scenario-http-compose/README.md — expanded to cover the advanced overlay

The C10 base web server is also adjusted so that responses expose X-Web-Instance, enabling students to prove which backend handled a request.

12.4 Phase C follow-up — expanded `lab_runner` registration without repo refactor

The final snapshot's 00_TOOLS/lab_runner/labs.json registers 18 lab IDs / variant sets:

Lab ID	Path	Variants
c10-http-compose	03_LECTURES/C10/assets/scenario-http-compose	default, advanced-proxy
c11-dns-ttl-caching	03_LECTURES/C11/assets/scenario-dns-ttl-caching	default
c11-ftp-baseline	03_LECTURES/C11/assets/scenario-ftp-baseline	default
c11-ftp-nat-firewall	03_LECTURES/C11/assets/scenario-ftp-nat-firewall	default
c11-ssh-provision	03_LECTURES/C11/assets/scenario-ssh-provision	default
c12-local-mailbox	03_LECTURES/C12/assets/scenario-local-mailbox	default
c13-iot-basic	03_LECTURES/C13/assets/scenario-iot-basic	default, tls, cli, tls+cli
c13-vulnerability-lab	03_LECTURES/C13/assets/scenario-vulnerability-lab	default
c14-week14-integration	03_LECTURES/C14/assets/scenario-week14-integration-lab	default, tls
s08-nginx-compose	04_SEMINARS/S08/4_nginx	default
s09-multi-client-containers	04_SEMINARS/S09/3_multi-client-containers	default
s10-dns-containers	04_SEMINARS/S10/2_dns-containers	default
s10-ssh	04_SEMINARS/S10/3_ssh	default
s10-ssh-port-forwarding	04_SEMINARS/S10/4_ssh-port-forwarding	default
s11-custom-load-balancer	04_SEMINARS/S11/2_custom-load-balancer	default
s11-nginx-compose	04_SEMINARS/S11/1_nginx-compose	default
s13-pentest-compose	04_SEMINARS/S13	default
tool-portainer	00_TOOLS/Portainer/INIT_GUIDE	default

This is important because the runner is no longer a purely illustrative pilot. It now covers:

the original Phase C pilot scenarios (C10, C13, C14)
four lecture scenarios from C11
one lecture scenario from C12
the C13 vulnerability lab
several seminar Compose labs (S08, S09, S10, S11, S13)
the optional Portainer bootstrap stack

The repository structure itself is not refactored to support this; the broader coverage is achieved purely by manifest expansion.

12.5 Post-Phase C QA hardening

The QA pass adds a small but critical set of functional repairs and distribution cleanups.

Path or area	Hardening action	Reason
03_LECTURES/C11/assets/scenario-dns-ttl-caching/client/Dockerfile	Installs `dnspython` for `query.py`.	Fixes an otherwise guaranteed `ModuleNotFoundError` at runtime.
03_LECTURES/C11/assets/scenario-ftp-baseline/server/Dockerfile	Installs `pyftpdlib` for the FTP server.	Makes the lecture scenario executable after `docker compose up --build`.
03_LECTURES/C11/assets/scenario-ftp-nat-firewall/ftp/Dockerfile	Installs `pyftpdlib` in the NAT/firewall FTP service.	Fixes the same runtime failure class in the more advanced FTP lab.
03_LECTURES/C11/assets/scenario-ssh-provision/controller/Dockerfile	Installs `paramiko` for the provisioner.	Makes SSH automation actually runnable inside the container.
QA_AUDIT_REPORT.md	Audit record for static QA and coherence checks.	Documents repository-wide validation of the distributed kit.
REVISELOG.md	Implementation log for the ported/adapted additions.	Keeps detailed phase notes without overloading the high-level README.
00_APPENDIX/formative/README.md and tests/README.md	Removed references to committed `__pycache__/` directories.	Keeps the file indexes coherent after cache cleanup.
00_TOOLS/qa/executable_manifest.txt	Expanded executable inventory.	Captures the new shell and Python entry points added across all phases.

This phase is particularly significant because it corrects real runtime-breaker classes:

scenario-dns-ttl-caching/client/query.py depends on dnspython
scenario-ftp-baseline/server/ftp_server.py and scenario-ftp-nat-firewall/ftp/ftp_server.py depend on pyftpdlib
scenario-ssh-provision/controller/provision.py depends on paramiko

In the baseline downstream kit, these services ran inside stock python:3.12-slim containers with no installation step. The hardening pass repairs that mismatch by switching the affected services to local build: contexts with service-specific Dockerfiles.

13. Verified diffs and concrete change excerpts for the downstream delta

13.1 Compose reliability: C10 HTTP proxy stack

--- COMPNET-EN-main/03_LECTURES/C10/assets/scenario-http-compose/docker-compose.yml
+++ COMPNET-EN-main_PHASEC_plus_more_labs_QAfix/03_LECTURES/C10/assets/scenario-http-compose/docker-compose.yml
@@
   nginx:
@@
-    depends_on:
-      - web
-      - api
+    depends_on:
+      web:
+        condition: service_healthy
+      api:
+        condition: service_healthy
@@
   web:
     build: ./web
     expose:
       - "8000"
+    healthcheck:
+      test:
+        - CMD
+        - python
+        - -c
+        - "import socket,sys; s=socket.socket(); s.settimeout(1); sys.exit(0 if s.connect_ex(('127.0.0.1',8000))==0 else 1)"
@@
   api:
     build: ./api
     expose:
       - "5000"
+    healthcheck:
+      test:
+        - CMD
+        - python
+        - -c
+        - "import socket,sys; s=socket.socket(); s.settimeout(1); sys.exit(0 if s.connect_ex(('127.0.0.1',5000))==0 else 1)"

This is the characteristic Phase B pattern: probe service readiness explicitly, then gate dependent services on health, not mere container start.

13.2 Optional TLS overlay: C13 MQTT scenario

services:
  broker:
    ports:
      - "8883:8883"
    volumes:
      - ./tls/ca:/mosquitto/certs/ca:ro
      - ./tls/server:/mosquitto/certs/server:ro
      - ./tls/mosquitto_tls.conf:/mosquitto/config/conf.d/99_tls.conf:ro

  sensor:
    environment:
      MQTT_PORT: "8883"
      MQTT_TLS: "1"
      MQTT_TLS_CA: "/certs/ca.crt"
      MQTT_TLS_INSECURE: "0"
    volumes:
      - ./tls/ca:/certs:ro

  actuator:
    environment:
      MQTT_PORT: "8883"
      MQTT_TLS: "1"
      MQTT_TLS_CA: "/certs/ca.crt"
      MQTT_TLS_INSECURE: "0"
    volumes:
      - ./tls/ca:/certs:ro

The important design choice is that TLS is not baked into the base compose file. Instead, it is layered through docker-compose.tls.yml, preserving the original classroom path while enabling a richer optional branch.

13.3 Runtime dependency fix: C11 FTP baseline

FROM python:3.12-slim

WORKDIR /app

# pyftpdlib is required by ftp_server.py (FTP server implementation).
RUN pip install --no-cache-dir pyftpdlib

# The actual server script is bind-mounted by docker-compose for easy editing.
CMD ["python", "ftp_server.py"]

This is representative of the QA hardening pass: the scenario keeps its bind-mounted teaching script, but dependency installation moves into a tiny service-local build context so the lab is runnable without manual container surgery.

13.4 Local host-port variableisation: S13 pentest compose

--- COMPNET-EN-main/04_SEMINARS/S13/S13_Part02_Config_Docker_Compose_Pentest.yml
+++ COMPNET-EN-main_PHASEC_plus_more_labs_QAfix/04_SEMINARS/S13/S13_Part02_Config_Docker_Compose_Pentest.yml
@@
-    ports:
-      - "8888:80"
+    ports:
+      - "${DVWA_HOST_PORT:-8888}:80"
@@
-    ports:
-      - "8080:8080"
+    ports:
+      - "${WEBGOAT_HOST_PORT:-8080}:8080"
@@
-    ports:
-      - "2121:21"
-      - "6200:6200"
+    ports:
+      - "${VSFTPD_HOST_PORT:-2121}:21"
+      - "${VSFTPD_BACKDOOR_HOST_PORT:-6200}:6200"

This excerpt captures the Phase B goal precisely: keep the topology identical, but make host-port publication configurable through a local .env layer.

14. Supplementary downstream appendices (COMPNET-EN-main -> COMPNET-EN-main_PHASEC_plus_more_labs_QAfix)

14.1 Appendix F — Path-based additions in the final snapshot

Full list of added paths (relative to repository root): 62 entries

00_TOOLS/lab_runner/README.md
00_TOOLS/lab_runner/lab_runner.py
00_TOOLS/lab_runner/labs.json
00_TOOLS/mininet/README.md
00_TOOLS/mininet/ovs_reset.sh
00_TOOLS/pcap/README.md
00_TOOLS/pcap/artifacts/.gitkeep
00_TOOLS/pcap/capture_demo.sh
00_TOOLS/pcap/pcap_stats.py
00_TOOLS/pcap/pcap_tshark_summary.py
00_TOOLS/subnetting/README.md
00_TOOLS/subnetting/subnet_quiz_generator.py
03_LECTURES/C10/assets/scenario-http-compose/advanced/README.md
03_LECTURES/C10/assets/scenario-http-compose/advanced/docker-compose.advanced.yml
03_LECTURES/C10/assets/scenario-http-compose/advanced/nginx/nginx.advanced.conf
03_LECTURES/C10/assets/scenario-http-compose/advanced/solutions/nginx.solution_full.conf
03_LECTURES/C10/assets/scenario-http-compose/advanced/tests/test_advanced_proxy.py
03_LECTURES/C11/assets/scenario-dns-ttl-caching/client/Dockerfile
03_LECTURES/C11/assets/scenario-ftp-baseline/server/Dockerfile
03_LECTURES/C11/assets/scenario-ftp-nat-firewall/ftp/Dockerfile
03_LECTURES/C11/assets/scenario-ssh-provision/controller/Dockerfile
03_LECTURES/C13/assets/scenario-iot-basic/client/Dockerfile
03_LECTURES/C13/assets/scenario-iot-basic/client/mqtt_cli.py
03_LECTURES/C13/assets/scenario-iot-basic/docker-compose.cli.yml
03_LECTURES/C13/assets/scenario-iot-basic/docker-compose.tls.yml
03_LECTURES/C13/assets/scenario-iot-basic/mosquitto/conf.d/.gitkeep
03_LECTURES/C13/assets/scenario-iot-basic/tls/README.md
03_LECTURES/C13/assets/scenario-iot-basic/tls/ca/.gitkeep
03_LECTURES/C13/assets/scenario-iot-basic/tls/generate_demo_certs.sh
03_LECTURES/C13/assets/scenario-iot-basic/tls/mosquitto_tls.conf
03_LECTURES/C13/assets/scenario-iot-basic/tls/private/.gitkeep
03_LECTURES/C13/assets/scenario-iot-basic/tls/server/.gitkeep
03_LECTURES/C14/assets/scenario-week14-integration-lab/README.md
03_LECTURES/C14/assets/scenario-week14-integration-lab/api/Dockerfile
03_LECTURES/C14/assets/scenario-week14-integration-lab/api/app.py
03_LECTURES/C14/assets/scenario-week14-integration-lab/api/requirements.txt
03_LECTURES/C14/assets/scenario-week14-integration-lab/auth/named.conf
03_LECTURES/C14/assets/scenario-week14-integration-lab/auth/zones/week14.zone
03_LECTURES/C14/assets/scenario-week14-integration-lab/client/README.md
03_LECTURES/C14/assets/scenario-week14-integration-lab/client/dns_query.py
03_LECTURES/C14/assets/scenario-week14-integration-lab/client/http_probe.py
03_LECTURES/C14/assets/scenario-week14-integration-lab/client/smoke_test.py
03_LECTURES/C14/assets/scenario-week14-integration-lab/docker-compose.tls.yml
03_LECTURES/C14/assets/scenario-week14-integration-lab/docker-compose.yml
03_LECTURES/C14/assets/scenario-week14-integration-lab/nginx/nginx.conf
03_LECTURES/C14/assets/scenario-week14-integration-lab/nginx/nginx_tls.conf
03_LECTURES/C14/assets/scenario-week14-integration-lab/resolver/unbound.conf
03_LECTURES/C14/assets/scenario-week14-integration-lab/tls/README.md
03_LECTURES/C14/assets/scenario-week14-integration-lab/tls/generate_demo_certs.sh
03_LECTURES/C14/assets/scenario-week14-integration-lab/web/Dockerfile
03_LECTURES/C14/assets/scenario-week14-integration-lab/web/index.html
03_LECTURES/C14/assets/scenario-week14-integration-lab/web/server.py
03_LECTURES/C14/c14-week14-integration-lab.md
04_SEMINARS/S06/2_sdn/S06_Part02C_Script_SDNOS_Ken_Controller_AdvancedPolicy.py
04_SEMINARS/S13/.env.example
04_SEMINARS/S13/S13_Part05_Script_Defensive_Vuln_Checker.py
04_SEMINARS/S13/artifacts/.gitkeep
04_SEMINARS/S13/generate_env_ports.py
04_SEMINARS/S13/report_generator.py
04_SEMINARS/S13/s13_env.py
QA_AUDIT_REPORT.md
REVISELOG.md

14.2 Appendix G — Path-based modifications in the final snapshot

The table below lists every path that existed in both snapshots but changed by content. Line counts are approximate and are computed only for UTF-8 decodable text files.

Path	Old lines	New lines	Approx. added lines	Approx. deleted lines
00_APPENDIX/formative/README.md	114	113	0	1
00_APPENDIX/formative/tests/README.md	80	79	0	1
00_TOOLS/README.md	132	139	7	0
00_TOOLS/qa/executable_manifest.txt	104	117	13	0
03_LECTURES/C10/assets/scenario-http-compose/README.md	60	84	29	5
03_LECTURES/C10/assets/scenario-http-compose/docker-compose.yml	20	42	24	2
03_LECTURES/C10/assets/scenario-http-compose/web/server.py	15	21	7	1
03_LECTURES/C11/assets/scenario-dns-ttl-caching/README.md	51	51	1	1
03_LECTURES/C11/assets/scenario-dns-ttl-caching/docker-compose.yml	25	41	19	3
03_LECTURES/C11/assets/scenario-ftp-baseline/README.md	55	55	1	1
03_LECTURES/C11/assets/scenario-ftp-baseline/docker-compose.yml	20	31	13	2
03_LECTURES/C11/assets/scenario-ftp-nat-firewall/README.md	53	53	1	1
03_LECTURES/C11/assets/scenario-ftp-nat-firewall/docker-compose.yml	36	56	23	3
03_LECTURES/C11/assets/scenario-ssh-provision/README.md	53	53	1	1
03_LECTURES/C11/assets/scenario-ssh-provision/docker-compose.yml	18	26	10	2
03_LECTURES/C13/assets/scenario-iot-basic/README.md	52	92	56	16
03_LECTURES/C13/assets/scenario-iot-basic/actuator/actuator.py	50	80	61	31
03_LECTURES/C13/assets/scenario-iot-basic/docker-compose.yml	33	43	24	14
03_LECTURES/C13/assets/scenario-iot-basic/mosquitto/mosquitto.conf	3	9	6	0
03_LECTURES/C13/assets/scenario-iot-basic/sensor/sensor.py	37	82	63	18
03_LECTURES/C13/assets/scenario-vulnerability-lab/docker-compose.yml	15	26	12	1
03_LECTURES/C14/README.md	79	81	3	1
03_LECTURES/C14/c14-revision-and-exam-prep.md	242	252	10	0
04_SEMINARS/S06/2_sdn/S06_Part02D_Tasks_SDN.md	112	131	26	7
04_SEMINARS/S13/README.md	101	132	31	0
04_SEMINARS/S13/S13_Part01_Explanation_Pentest_Intro.md	118	120	5	3
04_SEMINARS/S13/S13_Part02_Config_Docker_Compose_Pentest.yml	48	53	10	5
04_SEMINARS/S13/S13_Part02_Tasks_Pentest.md	70	82	15	3
04_SEMINARS/S13/S13_Part05_Explanation_Vuln_Enumeration.md	143	143	5	5
04_SEMINARS/S13/S13_Part06_Tasks_Vuln_Enumeration.md	75	75	3	3
04_SEMINARS/S13/S13_Part07_Explanation_Exploitation.md	135	135	2	2
04_SEMINARS/S13/S13_Part08_Tasks_Exploitation.md	85	85	2	2
04_SEMINARS/S13/S13_Part09_Script_FTP_Backdoor_Exploit.py	82	95	17	4
CHANGELOG.md	3247	3821	577	3
README.md	481	482	1	0

14.3 Appendix H — Path-based removals from `COMPNET-EN-main`

Full list of removed paths (relative to repository root): 6 entries

00_APPENDIX/a)PYTHON_self_study_guide/examples/tests/__pycache__/test_bytes_vs_str.cpython-311-pytest-8.2.2.pyc
00_APPENDIX/a)PYTHON_self_study_guide/examples/tests/__pycache__/test_smoke.cpython-311-pytest-8.2.2.pyc
00_APPENDIX/a)PYTHON_self_study_guide/examples/tests/__pycache__/test_struct_parsing.cpython-311-pytest-8.2.2.pyc
00_APPENDIX/formative/__pycache__/run_quiz.cpython-311.pyc
00_APPENDIX/formative/tests/__pycache__/__init__.cpython-311.pyc
00_APPENDIX/formative/tests/__pycache__/test_quiz_exports.cpython-311-pytest-8.2.2.pyc

Interpretation: all removals are generated bytecode caches, not source artefacts or teaching materials.

14.4 Appendix I — Final `lab_runner` registry

Lab ID	Path	Variants
c10-http-compose	03_LECTURES/C10/assets/scenario-http-compose	default, advanced-proxy
c11-dns-ttl-caching	03_LECTURES/C11/assets/scenario-dns-ttl-caching	default
c11-ftp-baseline	03_LECTURES/C11/assets/scenario-ftp-baseline	default
c11-ftp-nat-firewall	03_LECTURES/C11/assets/scenario-ftp-nat-firewall	default
c11-ssh-provision	03_LECTURES/C11/assets/scenario-ssh-provision	default
c12-local-mailbox	03_LECTURES/C12/assets/scenario-local-mailbox	default
c13-iot-basic	03_LECTURES/C13/assets/scenario-iot-basic	default, tls, cli, tls+cli
c13-vulnerability-lab	03_LECTURES/C13/assets/scenario-vulnerability-lab	default
c14-week14-integration	03_LECTURES/C14/assets/scenario-week14-integration-lab	default, tls
s08-nginx-compose	04_SEMINARS/S08/4_nginx	default
s09-multi-client-containers	04_SEMINARS/S09/3_multi-client-containers	default
s10-dns-containers	04_SEMINARS/S10/2_dns-containers	default
s10-ssh	04_SEMINARS/S10/3_ssh	default
s10-ssh-port-forwarding	04_SEMINARS/S10/4_ssh-port-forwarding	default
s11-custom-load-balancer	04_SEMINARS/S11/2_custom-load-balancer	default
s11-nginx-compose	04_SEMINARS/S11/1_nginx-compose	default
s13-pentest-compose	04_SEMINARS/S13	default
tool-portainer	00_TOOLS/Portainer/INIT_GUIDE	default

End of document.

Seminar	Old files	New files	Identical files reused
S01	6	13	0
S02	11	17	0
S03	15	22	0
S04	16	24	0
S05	9	17	0
S06	13	22	0
S07	12	20	1
S08	13	22	0
S09	14	31	0
S10	17	25	1
S11	15	26	1
S12	14	22	0
S13	13	20	0

Old path	New path(s)	Ext	Bytes
assets/course/c1/assets/scenario-capture-basics/start-http-server.py	03_LECTURES/C01/assets/scenario-capture-basics/start-http-server.py	py	294
assets/course/c10/assets/scenario-custom-http-semantics/client.py	03_LECTURES/C10/assets/scenario-custom-http-semantics/client.py	py	679
assets/course/c10/assets/scenario-custom-http-semantics/server.py	03_LECTURES/C10/assets/scenario-custom-http-semantics/server.py	py	2262
assets/course/c10/assets/scenario-http-compose/api/Dockerfile	03_LECTURES/C10/assets/scenario-http-compose/api/Dockerfile	(no ext)	194
assets/course/c10/assets/scenario-http-compose/api/app.py	03_LECTURES/C10/assets/scenario-http-compose/api/app.py	py	651
assets/course/c10/assets/scenario-http-compose/api/requirements.txt	03_LECTURES/C10/assets/scenario-http-compose/api/requirements.txt	txt	13
assets/course/c10/assets/scenario-http-compose/docker-compose.yml	03_LECTURES/C10/assets/scenario-http-compose/docker-compose.yml	yml	281
assets/course/c10/assets/scenario-http-compose/nginx/nginx.conf	03_LECTURES/C10/assets/scenario-http-compose/nginx/nginx.conf	conf	906
assets/course/c10/assets/scenario-http-compose/web/Dockerfile	03_LECTURES/C10/assets/scenario-http-compose/web/Dockerfile	(no ext)	139
assets/course/c10/assets/scenario-http-compose/web/server.py	03_LECTURES/C10/assets/scenario-http-compose/web/server.py	py	383
assets/course/c10/assets/scenario-rest-maturity/client-test.py	03_LECTURES/C10/assets/scenario-rest-maturity/client-test.py	py	3203
assets/course/c10/assets/scenario-rest-maturity/common.py	03_LECTURES/C10/assets/scenario-rest-maturity/common.py	py	334
assets/course/c10/assets/scenario-rest-maturity/server-level0.py	03_LECTURES/C10/assets/scenario-rest-maturity/server-level0.py	py	1589
assets/course/c10/assets/scenario-rest-maturity/server-level1.py	03_LECTURES/C10/assets/scenario-rest-maturity/server-level1.py	py	1674
assets/course/c10/assets/scenario-rest-maturity/server-level2.py	03_LECTURES/C10/assets/scenario-rest-maturity/server-level2.py	py	1487
assets/course/c10/assets/scenario-rest-maturity/server-level3.py	03_LECTURES/C10/assets/scenario-rest-maturity/server-level3.py	py	2517
assets/course/c10/assets/scenario-websocket-protocol/server.py	03_LECTURES/C10/assets/scenario-websocket-protocol/server.py	py	2985
assets/course/c11/assets/scenario-dns-ttl-caching/auth/named.conf	03_LECTURES/C11/assets/scenario-dns-ttl-caching/auth/named.conf	conf	170
assets/course/c11/assets/scenario-dns-ttl-caching/auth/zones/example.zone	03_LECTURES/C11/assets/scenario-dns-ttl-caching/auth/zones/example.zone	zone	236
assets/course/c11/assets/scenario-dns-ttl-caching/client/query.py	03_LECTURES/C11/assets/scenario-dns-ttl-caching/client/query.py	py	306
assets/course/c11/assets/scenario-dns-ttl-caching/docker-compose.yml	03_LECTURES/C11/assets/scenario-dns-ttl-caching/docker-compose.yml	yml	479
assets/course/c11/assets/scenario-dns-ttl-caching/resolver/unbound.conf	03_LECTURES/C11/assets/scenario-dns-ttl-caching/resolver/unbound.conf	conf	141
assets/course/c11/assets/scenario-ftp-baseline/client/ftp_client.py	03_LECTURES/C11/assets/scenario-ftp-baseline/client/ftp_client.py	py	770
assets/course/c11/assets/scenario-ftp-baseline/docker-compose.yml	03_LECTURES/C11/assets/scenario-ftp-baseline/docker-compose.yml	yml	394
assets/course/c11/assets/scenario-ftp-nat-firewall/docker-compose.yml	03_LECTURES/C11/assets/scenario-ftp-nat-firewall/docker-compose.yml	yml	635
assets/course/c11/assets/scenario-ftp-nat-firewall/natfw/setup.sh	03_LECTURES/C11/assets/scenario-ftp-nat-firewall/natfw/setup.sh	sh	529
assets/course/c11/assets/scenario-ssh-provision/controller/plan.json	03_LECTURES/C11/assets/scenario-ssh-provision/controller/plan.json	json	328
assets/course/c11/assets/scenario-ssh-provision/controller/provision.py	03_LECTURES/C11/assets/scenario-ssh-provision/controller/provision.py	py	1208
assets/course/c11/assets/scenario-ssh-provision/docker-compose.yml	03_LECTURES/C11/assets/scenario-ssh-provision/docker-compose.yml	yml	332
assets/course/c11/assets/scenario-ssh-provision/nodes/node1/Dockerfile	03_LECTURES/C11/assets/scenario-ssh-provision/nodes/node1/Dockerfile	(no ext)	514
assets/course/c12/assets/scenario-local-mailbox/docker-compose.yml	03_LECTURES/C12/assets/scenario-local-mailbox/docker-compose.yml	yml	960
assets/course/c12/assets/scenario-local-mailbox/mailserver.env	03_LECTURES/C12/assets/scenario-local-mailbox/mailserver.env	env	320
assets/course/c12/assets/scenario-local-mailbox/requirements.txt	03_LECTURES/C12/assets/scenario-local-mailbox/requirements.txt	txt	16
assets/course/c12/assets/scenario-local-mailbox/scripts/fetch_imap.py	03_LECTURES/C12/assets/scenario-local-mailbox/scripts/fetch_imap.py	py	2210
assets/course/c12/assets/scenario-local-mailbox/scripts/fetch_pop3.py	03_LECTURES/C12/assets/scenario-local-mailbox/scripts/fetch_pop3.py	py	1760
assets/course/c12/assets/scenario-local-mailbox/scripts/send_attachment_smtp.py	03_LECTURES/C12/assets/scenario-local-mailbox/scripts/send_attachment_smtp.py	py	2024
assets/course/c12/assets/scenario-local-mailbox/scripts/send_mail_smtp.py	03_LECTURES/C12/assets/scenario-local-mailbox/scripts/send_mail_smtp.py	py	1271
assets/course/c13/assets/scenario-iot-basic/actuator/Dockerfile	03_LECTURES/C13/assets/scenario-iot-basic/actuator/Dockerfile	(no ext)	150
assets/course/c13/assets/scenario-iot-basic/actuator/actuator.py	03_LECTURES/C13/assets/scenario-iot-basic/actuator/actuator.py	py	1643
assets/course/c13/assets/scenario-iot-basic/docker-compose.yml	03_LECTURES/C13/assets/scenario-iot-basic/docker-compose.yml	yml	724
assets/course/c13/assets/scenario-iot-basic/mosquitto/mosquitto.conf	03_LECTURES/C13/assets/scenario-iot-basic/mosquitto/mosquitto.conf	conf	53
assets/course/c13/assets/scenario-iot-basic/sensor/Dockerfile	03_LECTURES/C13/assets/scenario-iot-basic/sensor/Dockerfile	(no ext)	144
assets/course/c13/assets/scenario-iot-basic/sensor/sensor.py	03_LECTURES/C13/assets/scenario-iot-basic/sensor/sensor.py	py	993
assets/course/c13/assets/scenario-vulnerability-lab/attacker/Dockerfile	03_LECTURES/C13/assets/scenario-vulnerability-lab/attacker/Dockerfile	(no ext)	91
assets/course/c13/assets/scenario-vulnerability-lab/docker-compose.yml	03_LECTURES/C13/assets/scenario-vulnerability-lab/docker-compose.yml	yml	244
assets/course/c13/assets/scenario-vulnerability-lab/target/Dockerfile	03_LECTURES/C13/assets/scenario-vulnerability-lab/target/Dockerfile	(no ext)	212
assets/course/c13/assets/scenario-vulnerability-lab/target/app-hardened.py	03_LECTURES/C13/assets/scenario-vulnerability-lab/target/app-hardened.py	py	526
assets/course/c13/assets/scenario-vulnerability-lab/target/app.py	03_LECTURES/C13/assets/scenario-vulnerability-lab/target/app.py	py	367
assets/course/c2/assets/scenario-tcp-udp-layers/tcp-server.py	03_LECTURES/C02/assets/scenario-tcp-udp-layers/tcp-server.py	py	594
assets/course/c2/assets/scenario-tcp-udp-layers/udp-server.py	03_LECTURES/C02/assets/scenario-tcp-udp-layers/udp-server.py	py	421
assets/course/c3/scenario-scapy-icmp/icmp-ping.py	03_LECTURES/C03/assets/scenario-scapy-icmp/icmp-ping.py	py	340
assets/course/c3/scenario-tcp-framing/server.py	03_LECTURES/C03/assets/scenario-tcp-framing/server.py	py	909
assets/course/c3/scenario-tcp-multiclient/server.py	03_LECTURES/C03/assets/scenario-tcp-multiclient/server.py	py	770
assets/course/c3/scenario-udp-session-ack/server.py	03_LECTURES/C03/assets/scenario-udp-session-ack/server.py	py	1343
assets/course/c6/assets/scenario-nat-linux/nat-demo.sh	03_LECTURES/C06/assets/scenario-nat-linux/nat-demo.sh	sh	1459
assets/course/c7/assets/scenario-bellman-ford/bellman_ford.py	03_LECTURES/C07/assets/scenario-bellman-ford/bellman_ford.py	py	1565
assets/course/c7/assets/scenario-djikstra/djikstra.py	03_LECTURES/C07/assets/scenario-dijkstra/dijkstra.py	py	982
assets/course/c8/assets/scenario-tcp-handshake-tcpdump/cleanup.sh	03_LECTURES/C08/assets/scenario-tcp-handshake-tcpdump/cleanup.sh	sh	311
assets/course/c8/assets/scenario-tcp-handshake-tcpdump/run.sh	03_LECTURES/C08/assets/scenario-tcp-handshake-tcpdump/run.sh	sh	750
assets/course/c8/assets/scenario-tcp-handshake-tcpdump/server.py	03_LECTURES/C08/assets/scenario-tcp-handshake-tcpdump/server.py	py	683
assets/course/c8/assets/scenario-tls-openssl/cleanup.sh	03_LECTURES/C08/assets/scenario-tls-openssl/cleanup.sh	sh	134
assets/course/c8/assets/scenario-tls-openssl/gen_certs.sh	03_LECTURES/C08/assets/scenario-tls-openssl/gen_certs.sh	sh	306
assets/course/c8/assets/scenario-tls-openssl/run_client.sh	03_LECTURES/C08/assets/scenario-tls-openssl/run_client.sh	sh	242
assets/course/c8/assets/scenario-tls-openssl/run_server.sh	03_LECTURES/C08/assets/scenario-tls-openssl/run_server.sh	sh	299
assets/course/c8/assets/scenario-udp-vs-tcp-loss/run.sh	03_LECTURES/C08/assets/scenario-udp-vs-tcp-loss/run.sh	sh	1151
assets/course/c8/assets/scenario-udp-vs-tcp-loss/tcp_receiver.py	03_LECTURES/C08/assets/scenario-udp-vs-tcp-loss/tcp_receiver.py	py	582
assets/course/c8/assets/scenario-udp-vs-tcp-loss/tcp_sender.py	03_LECTURES/C08/assets/scenario-udp-vs-tcp-loss/tcp_sender.py	py	355
assets/course/c8/assets/scenario-udp-vs-tcp-loss/topo.py	03_LECTURES/C08/assets/scenario-udp-vs-tcp-loss/topo.py	py	789
assets/course/c8/assets/scenario-udp-vs-tcp-loss/udp_receiver.py	03_LECTURES/C08/assets/scenario-udp-vs-tcp-loss/udp_receiver.py	py	1125
assets/course/c8/assets/scenario-udp-vs-tcp-loss/udp_sender.py	03_LECTURES/C08/assets/scenario-udp-vs-tcp-loss/udp_sender.py	py	323
assets/course/c9/assets/scenario-encoding-utf8/run.sh	03_LECTURES/C09/assets/scenario-encoding-utf8/run.sh 03_LECTURES/C09/assets/scenario-mime-encoding-gzip/run.sh	sh	105
assets/course/c9/assets/scenario-mime-encoding-gzip/data.json	03_LECTURES/C09/assets/scenario-mime-encoding-gzip/data.json	json	73
assets/course/c9/assets/scenario-mime-encoding-gzip/run.sh	03_LECTURES/C09/assets/scenario-encoding-utf8/run.sh 03_LECTURES/C09/assets/scenario-mime-encoding-gzip/run.sh	sh	105
assets/course/c9/assets/scenario-mime-encoding-gzip/server.py	03_LECTURES/C09/assets/scenario-mime-encoding-gzip/server.py	py	1237
assets/tutorial-solve/s1/basic_tools_output.txt	04_SEMINARS/_tutorial-solve/s1/S01_Part02_Output_Basic_Tools.txt	txt	1664
assets/tutorial-solve/s1/netcat_activity_output.txt	04_SEMINARS/_tutorial-solve/s1/S01_Part04_Output_Netcat_Activity.txt	txt	189
assets/tutorial/s10/3_ssh/ssh-server/Dockerfile	04_SEMINARS/S10/3_ssh/ssh-server/S10_Part03_Config_Dockerfile	(no ext)	549
assets/tutorial/s11/1_nginx-compose/nginx.conf	04_SEMINARS/S11/1_nginx-compose/S11_Part01_Config_Nginx.conf	conf	468
assets/tutorial/s11/1_nginx-compose/web1/index.html	04_SEMINARS/_HTMLsupport/S11/1_nginx-compose/web1/S11_Part01_Page_Index.html 04_SEMINARS/_HTMLsupport/S11/2_custom-load-balancer/web1/S11_Part02_Page_Index.html	html	25
assets/tutorial/s11/1_nginx-compose/web2/index.html	04_SEMINARS/_HTMLsupport/S11/1_nginx-compose/web2/S11_Part01_Page_Index.html 04_SEMINARS/_HTMLsupport/S11/2_custom-load-balancer/web2/S11_Part02_Page_Index.html	html	25
assets/tutorial/s11/1_nginx-compose/web3/index.html	04_SEMINARS/_HTMLsupport/S11/1_nginx-compose/web3/S11_Part01_Page_Index.html 04_SEMINARS/_HTMLsupport/S11/2_custom-load-balancer/web3/S11_Part02_Page_Index.html	html	25
assets/tutorial/s7/3_port-scanning/scan_results.txt	04_SEMINARS/S07/3_port-scanning/S07_Part03_Output_Scan_Results.txt	txt	1492

Seminar	Old files	New files	Identical files reused
S01	6	13	0
S02	11	17	0
S03	15	22	0
S04	16	24	0
S05	9	17	0
S06	13	22	0
S07	12	20	1
S08	13	22	0
S09	14	31	0
S10	17	25	1
S11	15	26	1
S12	14	22	0
S13	13	20	0

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CHANGELOG — Backbone comparison and downstream evolution (compnet-2025-redo-main → COMPNET-EN-main → COMPNET-EN-main_PHASEC_plus_more_labs_QAfix)

1) Scope, method and terminology

1.1 Scope

1.2 Method (verifiable)

2) High-level repository equivalence

2.1 Snapshot metrics

2.2 Structural footprint

2.3 File type comparison

3) Backbone continuity statement (with evidence)

3.1 Verbatim reuse of functional artefacts

3.2 Structural mapping: backbone → course kit

4) Lecture and seminar coverage

4.1 Lecture backbone retention (c01–c13)

4.2 Seminar backbone retention (s01–s13)

5) Functional equivalence in Python and YAML

5.1 Scenario set equivalence (lectures)

5.1.1 Scenario summary matrix (file-level)

5.1.2 Scenarios with code-level deltas

5.2 Direct evidence: small, localised Python deltas

6) Major refactors and new subsystems in COMPNET-EN-main

6.1 Tooling and operational hygiene

6.2 New teaching domains and delivery structure

6.3 Naming and packaging conventions

7) Verified diffs and concrete change excerpts

7.1 .gitignore refocus: from generic Python template to course kit policy

7.2 PlantUML enrichment: translation plus semantic densification

7.3 Docker Compose refactor: renamed files and explicit references

7.4 Curriculum outline translation and normalisation

7.5 Mininet routing scenario: instructional strings translated, logic preserved

7.6 Protobuf artefact: comments translated, student TODOs retained

8) Full inventory appendices (paths and exact mappings)

8.1 Appendix A — Folder outlines (depth ≤ 2)

8.2 Appendix B — Files reused verbatim (SHA-256 identity)

8.2.1 Special cases: moved unchanged with path changes

8.3 Appendix C — Path-based additions in COMPNET-EN-main

8.4 Appendix D — Path-based removals from compnet-2025-redo-main

8.5 Appendix E — Scenario-by-scenario subtree inventory (lectures)

9) Notes, caveats and quality signals

10. Supplementary downstream delta (COMPNET-EN-main -> COMPNET-EN-main_PHASEC_plus_more_labs_QAfix)

10.1 Scope, rationale and method

10.2 Snapshot metrics

10.3 Structural footprint

10.4 File type comparison

10.5 Path-level delta summary

11. Downstream continuity and phase decomposition

11.1 Verbatim reuse of functional artefacts

11.2 Phase decomposition (cumulative view)

11.3 Concentration of change

12. Detailed downstream change log by area

12.1 Phase A — low-risk additions

12.2 Phase B — reliability improvements

12.3 Phase C — runner framework, advanced proxy and capstone lab

12.4 Phase C follow-up — expanded lab_runner registration without repo refactor

12.5 Post-Phase C QA hardening

13. Verified diffs and concrete change excerpts for the downstream delta

13.1 Compose reliability: C10 HTTP proxy stack

13.2 Optional TLS overlay: C13 MQTT scenario

13.3 Runtime dependency fix: C11 FTP baseline

13.4 Local host-port variableisation: S13 pentest compose

14. Supplementary downstream appendices (COMPNET-EN-main -> COMPNET-EN-main_PHASEC_plus_more_labs_QAfix)

14.1 Appendix F — Path-based additions in the final snapshot

14.2 Appendix G — Path-based modifications in the final snapshot

14.3 Appendix H — Path-based removals from COMPNET-EN-main

14.4 Appendix I — Final lab_runner registry

7.1 `.gitignore` refocus: from generic Python template to course kit policy

12.4 Phase C follow-up — expanded `lab_runner` registration without repo refactor

14.3 Appendix H — Path-based removals from `COMPNET-EN-main`

14.4 Appendix I — Final `lab_runner` registry

Seminar	Old files	New files	Identical files reused
S01	6	13	0
S02	11	17	0
S03	15	22	0
S04	16	24	0
S05	9	17	0
S06	13	22	0
S07	12	20	1
S08	13	22	0
S09	14	31	0
S10	17	25	1
S11	15	26	1
S12	14	22	0
S13	13	20	0