tun2socks

A tun2socks implementation written in Go.

Features

• External RESTful API support
• Fake DNS with manual hosts support
• IPv4/IPv6 support
• Optimized UDP transmission for game acceleration
• Pure Go implementation, no CGO required
• Socks5, Shadowsocks protocol support for remote connections
• TCP/IP stack powered by gVisor
• Up to 2.5Gbps throughput (10x faster than v1)

Requirements

Target	Minimum	Recommended
System	linux darwin	linux
Memory	>20MB	+∞
CPU	ANY	amd64 arm64

QuickStart

Download from precompiled Releases.

create tun

ip tuntap add mode tun dev tun0
ip addr add 198.18.0.1/15 dev tun0
ip link set dev tun0 up

run

./tun2socks --loglevel WARN --device tun://tun0 --proxy socks5://server:port --interface eth0

or just

PROXY=socks5://server:port LOGLEVEL=WARN sh ./scripts/entrypoint.sh

Build from source

$ git clone https://github.com/xjasonlyu/tun2socks.git
$ cd tun2socks
$ make

Issues

Due to the implementation of pure Go, the memory usage is higher than the previous version. If you are memory sensitive, please go back to v1.

TODO

• Windows support

Credits

• Dreamacro/clash
• google/gvisor
• majek/slirpnetstack