it.shmuky.dev

A wildcard-subdomain lab (*.it.shmuky.dev) built to give every networking concept in the learning plan a live target instead of a diagram.

Live subdomains

• api.it.shmuky.dev — JSON status endpoint
• echo.it.shmuky.dev — dumps request headers, client IP, and what TLS metadata is actually visible at this layer
• anything.it.shmuky.dev — dynamic catch-all, renders whatever subdomain you typed plus a page-load latency readout

Learning phases

1. Phase 0 — Toolbox & baseline
2. Phase 1 — Wildcard DNS, live
3. Phase 2 — The app skeleton (this repo)
4. Phase 3 — Watching the wire: TLS handshake & SNI
5. Phase 4 — Transport layer, raw (TCP vs UDP)
6. Phase 5 — Filtering, MITM & DPI
7. Phase 6 — Bonus: self-hosting comparison
8. Phase 7 — Capstone

Write-ups for each phase live under docs/learning/phase-N-*.md in the repo, or see them all linked together on the capstone page.