Products/Developer Tools / Networking / Security/Show HN: Mtproto.zig – High-performance Telegram proxy with DPI evasion

Show HN: Mtproto.zig – High-performance Telegram proxy with DPI evasion

High-performance Telegram MTProto proxy written in Zig

Developer Tools / Networking / SecurityTLS 1.3 Fake Handshake - Connections indistinguishable from normal HTTPSMTProto v2 Obfuscation - AES-256-CTR encrypted tunnelingDRS Dynamic Record Sizing - Mimics browser TLS behaviorMulti-user Access Control - Independent secret-based authenticationAnti-replay - Timestamp + Digest Cache with ±2 min windowConnection Cloaking - Forwards unauthenticated clients to real domainFast Mode Zero-copy S2C - Reduces CPU usageMiddleProxy - Optional ME transport for DC1..5Auto Refresh - Periodically updates MiddleProxy endpointIPv6 Hopping - Auto-rotates IPv6 on ban detectionTCPMSS=88 - ClientHello fragmentation across 6 TCP packetsTCP Desync - Integrated zapret OS-level desynchronizationSplit-TLS - 1-byte Application-level record chunkingZero-RTT - Local Nginx server for active probing defeatZero dependencies - Built entirely on Zig standard libraryThread Safety - No global mutable state

Our Take

{"problem_it_solves": "Bypasses Deep Packet Inspection (DPI) censorship systems that block Telegram traffic. Evades network filtering and enables access to Telegram in restricted networks.", "target_customer": " Developers and network users who need to bypass censorship and access Telegram in restricted networks", "use_cases": ["Telegram proxy in censored regions", "DPI evasion", "Network censorship bypass"], "pricing_details": "Open source project - free to use", "free_tier": true, "differentiator": "Written in Zig programming language, extremely small footprint (126KB binary), zero dependencies, <2ms boot time, implements multiple DPI evasion techniques including TLS fingerprinting mimicry and IPv6 hopping", "traction": {"notable_metrics": "213 stars, 12 forks"}}

Key Facts

Category
Developer Tools / Networking / Security
Discovered via
hacker-news

The people behind Show HN: Mtproto.zig – High-performance Telegram proxy with DPI evasion

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