This repository features:

• SIP003-compatible KCPTUN and UDP2RAW plugins for Shadowsocks
• One-key setup of Shadowsocks+KCPTUN+UDP2RAW
• Automatic upgrade of latest KCPTUN and UDP2RAW binaries
• IPv6 support

Install:

# make install

Server:

ss-server ... --plugin kcptun-server-plugin --plugin-opts "key=YOUR_KEY;raw=YES"

Client:

ss-local ... --plugin kcptun-client-plugin --plugin-opts "key=YOUR_KEY;raw=YES"

Client for proxying only:

ss-proxy -s Server_IP -p Server_Port -l Local_Port --plugin kcptun-client-plugin --plugin-opts "key=YOUR_KEY;raw=YES"

Upgrade binaries:

kcptun-server-plugin upgrade
kcptun-client-plugin upgrade

Upgrade binaries with proxychains-ng:

PROXY=proxychains4 kcptun-server-plugin upgrade
PROXY=proxychains4 kcptun-client-plugin upgrade

Note: you may also place predownloaded archives in /tmp if the network condition is really bad.

KCPTUN:

• config: KCPTUN config. Override all other KCPTUN options. (-c)
• key: KCPTUN and UDP2RAW encryption key (--key)
• crypt: KCPTUN encryption (--crypt)
• mode: KCPTUN mode (--mode)
• mtu: KCPTUN MTU (--mtu)
• sndwnd: KCPTUN send window (--sndwnd)
• rcvwnd: KCPTUN receive window (--rcvwnd)
• datashard: KCPTUN datashard (--datashard)
• parityshard: KCPTUN parityshard (--parityshard)
• dscp: KCPTUN dscp (--dscp)
• nocomp: YES to disable KCPTUN compression (--nocomp)
• quiet: YES to suppress KCPTUN output (--quiet)
• params: specify other parameters like params=\"--log /tmp/kcptun.err.log\"

UDP2RAW:

• raw: YES to enable UDP2RAW
• raw_config: UDP2RAW config. Override all other UDP2RAW options. (--conf-file)
• raw_mode: UDP2RAW mode (--raw-mode)
• key: KCPTUN and UDP2RAW encryption key (--key)
• raw_cipher: UDP2RAW cipher mode (--cipher-mode)
• raw_auth: UDP2RAW auth mode (--auth-mode)
• raw_params: specify other parameters like raw_params=\"--seq-mode 0\"

• Support for multiple interface binding

• KCPTUN
• UDP2RAW