itviewer / opensocks

OpenSocks

A simple multiplexing proxy.

Features

• Support socks5 proxy
• Support http(s) proxy

Usage

Usage of ./opensocks:
  -S	server mode
  -bypass
    	bypass private ip
  -compress
    	enable data compression
  -http string
    	local http proxy address (default ":8008")
  -http-proxy
    	enable http proxy
  -k string
    	encryption key (default "6w9z$C&F)J@NcRfUjXn2r4u7x!A%D*G-")
  -l string
    	local socks5 proxy address (default "127.0.0.1:1080")
  -obfs
    	enable data obfuscation
  -p string
    	protocol tcp/ws/kcp (default "tcp")
  -s string
    	server address (default ":8081")
  -v	enable verbose output

Run

Run client

./opensocks-linux-amd64 -s=YOUR_DOMIAN:8081 -l=127.0.0.1:1080 -k=123456 -p kcp -obfs

Run client(enable http proxy)

./opensocks-linux-amd64 -s=YOUR_DOMIAN:8081 -l=127.0.0.1:1080 -k=123456 -p kcp -obfs -http-proxy -http 127.0.0.1:8000

Run server

./opensocks-linux-amd64 -S -k=123456 -obfs -p kcp

Docker

Run client

docker run -d --restart=always  --network=host \
--name opensocks-client netbyte/opensocks -s=YOUR_DOMIAN:8081 -l=127.0.0.1:1080 -k=123456 -p ws -obfs

Run server

docker run  -d --restart=always --net=host \
--name opensocks-server netbyte/opensocks -S -k=123456 -obfs

Reverse proxy server

add tls for opensocks ws server(8081) via nginx/caddy(443)

Server settings

settings for kcp with good performance

ulimit -n 65535
vi /etc/sysctl.conf
net.core.rmem_max=26214400 // BDP - bandwidth delay product
net.core.rmem_default=26214400
net.core.wmem_max=26214400
net.core.wmem_default=26214400
net.core.netdev_max_backlog=2048 // proportional to -rcvwnd
sysctl -p /etc/sysctl.conf

Cross-platform client

opensocks-gui

License

The MIT License (MIT)

Credits

This repo relies on the following third-party projects:

• websocket
• kcp-go
• smux
• bpool