Proposal: Desktop DoH client (Windows + Linux)

[Pouria03]

Desktop DoH Client (Windows/Linux) — Proposal

Purpose
Build a cross-platform desktop app that acts as a local DNS-to-DoH proxy, replicating Intra’s Android functionality with a minimal GUI for Windows and Linux.

link to forked repository --> https://github.com/Pouria03/Intra

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Design Notes

• Language & Core: Python3 or Go
• DNS Parsing
• GUI
• Service Modes:
  • Dev mode: bind to port 5353 (non-privileged).
  • Production: bind to port 53 (Windows service / setcap on Linux).
• Core Requirements:
  • Support UDP & TCP DNS.
  • DNS caching with TTL (LRU strategy).
  • Retries, timeouts, error handling.
• Packaging:
  • Windows: PyInstaller → NSIS installer (+ code signing if possible).
  • Linux: PyInstaller → AppImage / .deb package.
• System Integration:
  • Windows: PowerShell to set DNS to 127.0.0.1.
  • Linux: NetworkManager / systemd-resolved configuration.
• CLI & Config:
  • Headless/daemon mode.
  • Config file for resolver list and settings.
  • Logging with levels (info/debug/warn).
• Security & Privacy:
  • No telemetry by default.
  • privacy.md: resolver choices and logging policy.
  • SECURITY.md: vulnerability reporting guidelines.
• Testing & CI:
  • Unit tests with mock DoH server.
  • Integration tests for end-to-end resolution.
  • GitHub Actions: Windows + Linux matrix.
• Fallback Plan:
  • Option to call upstream Go DoH proxy as subprocess for performance.
• Licensing:
  • Apache-2.0 for all new files, matching upstream repo.

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[SergioSikoni]

Yes, I really need it! I don't understand why DOH isn't working in my browser on Windows 7. I used Opera and Chrome with Cloudflare. I ran a test here, https://one.one.one.one/help/, and it showed that I'm connected to DOH, but the website I need isn't working, although everything works fine on Android. Obviously, I need to create a virtual environment. Perhaps DOH support in browsers isn't effective or fully functional.