SagerNet/sing-tun

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

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  Difficulty 3/5 1-2 days Newbie friendliness 70/100

  SagerNet/sing-tun#96 · Opened Oct 2, 2026

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

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  Difficulty 2/5 1-3 hours Newbie friendliness 76/100

  SagerNet/sing-tun#95 · Opened Oct 2, 2026

• System UDP reply writer copies client ECN into reconstructed replies

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  Difficulty 3/5 1-2 days Newbie friendliness 76/100

  SagerNet/sing-tun#92 · Opened Sep 13, 2026

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

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  Difficulty 4/5 3-5 days Newbie friendliness 45/100

  SagerNet/sing-tun#88 · 1 comment · Opened Sep 1, 2026

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

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  Difficulty 4/5 3-5 days Newbie friendliness 45/100

  SagerNet/sing-tun#86 · Opened Aug 27, 2026

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

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  Difficulty 2/5 1-3 hours Newbie friendliness 82/100

  SagerNet/sing-tun#85 · 1 comment · Opened Aug 20, 2026

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

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  Difficulty 3/5 1-2 days Newbie friendliness 68/100

  SagerNet/sing-tun#81 · Opened Jul 11, 2026

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

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  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  SagerNet/sing-tun#80 · Opened Jun 26, 2026

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

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  Difficulty 3/5 1-2 days Newbie friendliness 55/100

  SagerNet/sing-tun#79 · Opened Jun 24, 2026

• Needs documentation

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  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  SagerNet/sing-tun#74 · Opened Jun 17, 2026

• gvisor: HandleLocal=true breaks WireGuard userspace stack inbound

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  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  SagerNet/sing-tun#72 · Opened May 23, 2026

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

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  bug

  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  SagerNet/sing-tun#69 · Opened Apr 12, 2026

• Feature: Add configurable interface and route metrics

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  Difficulty 4/5 3-5 days Newbie friendliness 52/100

  SagerNet/sing-tun#62 · 1 comment · Opened Feb 6, 2026

• TUN cannot be enabled

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  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  SagerNet/sing-tun#60 · Opened Nov 13, 2025

• Is this a bug？

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  Difficulty 4/5 3-5 days Newbie friendliness 25/100

  SagerNet/sing-tun#59 · Opened Nov 13, 2025

• Read IP address from exists tun+ interface

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  Difficulty 3/5 1-2 days Newbie friendliness 45/100

  SagerNet/sing-tun#58 · Opened Sep 18, 2025

• Support for different IPv4/IPv6 default interface

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  Difficulty 5/5 Over a week Newbie friendliness 20/100

  SagerNet/sing-tun#57 · Opened Jul 18, 2025

• 功能请求：支持 FreeBSD TUN 设备

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  Difficulty 5/5 Over a week Newbie friendliness 25/100

  SagerNet/sing-tun#52 · 2 comments · Opened May 26, 2025

• 大佬能给个简单的文档吗

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  Difficulty 5/5 Over a week Newbie friendliness 15/100

  SagerNet/sing-tun#50 · Opened May 9, 2025

• Crash if using import "C" in main file

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  Difficulty 4/5 3-5 days Newbie friendliness 25/100

  SagerNet/sing-tun#47 · 1 comment · Opened Mar 14, 2025

• 使用tun模式时抖音打视频有一部分流量会绕过核心处理

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  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  SagerNet/sing-tun#45 · Opened Mar 1, 2025

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

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  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  SagerNet/sing-tun#42 · 5 comments · Opened Dec 10, 2024

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

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  question

  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  SagerNet/sing-tun#28 · Opened May 22, 2024

• Use from other languages

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  Difficulty 5/5 Over a week Newbie friendliness 25/100

  SagerNet/sing-tun#24 · Opened Apr 21, 2024