ss (Socket Stat)

ChatGPT

2025-01-22

Program for inspecting network connections and socket statistics.

Command Description Example
ss Show summary of socket statistics and connections. ss
ss -t Display TCP sockets. ss -t
ss -u Display UDP sockets. ss -u
ss -l Display listening sockets (services waiting for incoming connections). ss -l
ss -a Display all sockets (both listening and non-listening). ss -a
ss -n Show numerical addresses and ports instead of resolving hostnames and service names. ss -n
ss -p Show the process using the socket. ss -p
ss -s Display socket statistics summary. ss -s
ss -r Display resolved hostnames and services for the connections. ss -r
ss -o state established Show sockets in the “ESTABLISHED” state. ss -o state established
ss -4 Show only IPv4 sockets. ss -4
ss -6 Show only IPv6 sockets. ss -6
ss -H Hide column headers in the output. ss -H
ss -i Show internal socket information (e.g., timers, retransmissions). ss -i