A light-weighted transparent proxy to socks5 converter written in Golang, inspired by Transocks.

You should create a file for the config, using the TOML format.

listen-addr = "0.0.0.0:1234"
proxy-addr = "socks5:https://192.168.1.210:1080"

The default conf file is located at /etc/kumasocks.toml. You can customize it using the -c parameter.

Then you can use iptables redirect to route traffics to KumaSocks, and it will directly route them to the socks5 server. Be aware, there is no encryption. Use at your own risk!

You can refer to this page to find detailed instructions. (Chinese only)

When you want to run KumaSocks on some embedded devices, such as routers, you can reduce the size of executables by using following build command.

go build -ldflags "-s -w"

When you want to make KumaSocks more smaller, you can consider to use upx. Here is the command.

upx --best KumaSocks

If you have problems with splice in Linux, try to turn on the io-copy-hack option in config file. It will reduce the performance as it is using a custom version of io.Copy without using splice system call.