Necronicle 2184b9b413 Revert: roll tunnel and worker back to e688fb1 ...

Today's rewrite (e729560) introduced two independent regressions that
compounded into a total outage:

1. worker.js added `await socket.opened` before sending CONNECT_OK. On
   Cloudflare Workers, `socket.opened` runs an HTTP-based-service heuristic
   that pre-emptively rejects with "proxy request failed ... consider using
   fetch instead" for destinations that look HTTPS-ish (port 443 with
   TLS-like framing) — even when a plain read/write on the same socket
   would have worked. Every Telegram DC hit this path and the tunnel
   returned 100% CONNECT_FAIL.

2. The N-parallel-session + voluntary TTL-rotation architecture in the
   rewritten tunnel.go killed in-flight TCP streams every rotation cycle,
   so Telegram MTProto couldn't finish a single handshake before its
   session got rotated out. Staggering + longer TTLs didn't help enough.

Reverted tunnel.go, main.go, listener.go, worker.js, wrangler.toml and all
9 prebuilt binaries to e688fb1 (the last commit known to work for three
days straight). lib/install.sh keeps the iptables -I PREROUTING 1 fix from
today (unrelated to the tunnel rewrite, real bug) but drops the
--parallel/--session-ttl flags since the reverted binary doesn't know them.

The Roblox work from a6c607d stays: files/lua/z2k-modern-core.lua still
contains z2k_game_udp, lib/config_official.sh still wires it into the game
strategies. That part works and is orthogonal to the tunnel.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

2026-04-13 00:58:03 +03:00

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