zapret-core

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⚠️ Windows only — requires WinDivert kernel driver. Linux and macOS are not supported and will not be.

DPI bypass core for YouTube and Discord on Windows. Finds a working strategy for your ISP automatically, remembers it, and recovers when your ISP updates their blocking — no manual configuration needed.

Designed to be used as a backend for GUI wrappers via its HTTP API.

📖 Full documentation → Wiki

Built on top of zapret by bol-van and inspired by zapret-discord-youtube by Flowseal.

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How it works

1. Detects your ISP via ASN lookup
2. Tests up to 137 DPI bypass strategy combinations
3. Saves what works to data/knowledge.json
4. On next run — starts with the best known strategy immediately
5. Watchdog detects when ISP updates blocking and finds a new strategy automatically

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Requirements

• Windows 7 or later (x64)
• Administrator rights — WinDivert installs a kernel driver
• Internet connection

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Installation

Download latest release

Extract anywhere. Run as Administrator.

Build from source (requires Go 1.21+ and Windows):

git clone https://github.com/elev1e1nSure/zapret-core.git
cd zapret-core

:: Quick dev build
go build -ldflags="-s -w" -o zapret-core.exe ./internal

:: Release build (strips debug info + packages dist zip)
build.bat

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Quick start

# Find a working strategy for your ISP
zapret-core.exe --find

# Run with the best known strategy
zapret-core.exe

# Run as HTTP API server (for GUI wrappers)
zapret-core.exe --server

# Monitor with auto-recovery
zapret-core.exe --watch

--watch and --server cannot run simultaneously — both manage winws independently and will conflict. Use POST /api/watchdog instead when running in server mode.

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Credits

• bol-van — zapret, winws, WinDivert, fake packet binaries
• Flowseal — strategy presets and parameter research

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License

MIT © elev1e1nSure