Issues

• auto_redirect: the mark rule overwrites marks set by other programs, such as Tailscale

  SagerNet/sing-tun#96 · Filter by author rokokol opened on Oct 2, 2026

• auto_redirect: output_udp_icmp routes replies to inbound UDP into the TUN

  SagerNet/sing-tun#95 · Filter by author rokokol opened on Oct 2, 2026

• System UDP reply writer copies client ECN into reconstructed replies

  SagerNet/sing-tun#92 · Filter by author gorbunovav opened on Sep 13, 2026

• Darwin: unbounded per-flow ICMP sockets can overflow XNU mbuf refcount and panic the kernel after wake

  SagerNet/sing-tun#88 · Filter by author soasurs opened on Sep 1, 2026
  1

• system stack panic: As4 called on IPv6 address under dual-stack TCP churn on iOS

  SagerNet/sing-tun#86 · Filter by author LuciusChen opened on Aug 27, 2026

• gvisor: LinkEndpointFilter.Attach never forwards nil, so GVisor.Close leaks all inbound dispatcher goroutines and fds

  SagerNet/sing-tun#85 · Filter by author k1ng opened on Aug 20, 2026
  1

• Linux TUN GRO probe runs before link is up and returns EIO on OpenWrt

  SagerNet/sing-tun#81 · Filter by author hanai opened on Jul 11, 2026

• macOS: setRoutes EEXIST-recovery deletes the system default route (literal 0.0.0.0/0); unsetRoutes never restores it

  SagerNet/sing-tun#80 · Filter by author polaris-arch opened on Jun 26, 2026

• Unexpected configuration in the nftables rules generated by auto-redirect

  SagerNet/sing-tun#79 · Filter by author Akariln opened on Jun 24, 2026

• Needs documentation

  SagerNet/sing-tun#74 · Filter by author fortuna opened on Jun 17, 2026

• gvisor: HandleLocal=true breaks WireGuard userspace stack inbound

  SagerNet/sing-tun#72 · Filter by author KdeInit opened on May 23, 2026

• Windows C# hosted libbox: memmod-loaded WinTun crashes (runtime.cgocallback / exitsyscall), file-backed loading is stable

  bug
  SagerNet/sing-tun#69 · Filter by author clever-vpn opened on Apr 12, 2026

• Feature: Add configurable interface and route metrics

  SagerNet/sing-tun#62 · Filter by author FIL033 opened on Feb 6, 2026
  1

• TUN cannot be enabled

  SagerNet/sing-tun#60 · Filter by author ghost opened on Nov 13, 2025

• Is this a bug？

  SagerNet/sing-tun#59 · Filter by author tkvycom-lgtm opened on Nov 13, 2025

• Read IP address from exists tun+ interface

  SagerNet/sing-tun#58 · Filter by author avengermsoft opened on Sep 18, 2025

• Support for different IPv4/IPv6 default interface

  SagerNet/sing-tun#57 · Filter by author i40e opened on Jul 18, 2025

• 功能请求：支持 FreeBSD TUN 设备

  SagerNet/sing-tun#52 · Filter by author Tectiman opened on May 26, 2025
  2

• 大佬能给个简单的文档吗

  SagerNet/sing-tun#50 · Filter by author DogeVenci opened on May 9, 2025

• Crash if using import "C" in main file

  SagerNet/sing-tun#47 · Filter by author palindrom228 opened on Mar 14, 2025
  1

• 使用tun模式时抖音打视频有一部分流量会绕过核心处理

  SagerNet/sing-tun#45 · Filter by author rianjskis opened on Mar 1, 2025

• When using TUN mode, the ports of Docker containers are inaccessible from the external network

  SagerNet/sing-tun#42 · Filter by author uuip opened on Dec 10, 2024
  5

• Error reading data from Darwin Tun network card while writing to Linux Tun network card

  question
  SagerNet/sing-tun#28 · Filter by author hxx258456 opened on May 22, 2024

• Use from other languages

  SagerNet/sing-tun#24 · Filter by author shiroedev2024 opened on Apr 21, 2024