tldr/linux/ss.md

ss

Utility to investigate sockets

• Dump all TCP/UDP/RAW/UNIX sockets

ss -a {{-t/-u/-w/-x}}

• Filter TCP sockets by states, only/exclude

ss {{state/exclude}} {{bucket/big/connected/synchronized/...}}

• Filter sockets by address and/or port

ss {{dst/src/dport/sport}} {{==/!=/>/</...}} {{prefix:port/unix:STRING/:port/...}}

• Only list IPv4 or IPv6 sockets

ss {{-4/-6}}