Usage: ss [ OPTIONS ] ss [ OPTIONS ] [ FILTER ] -h, --help this message -V, --version output version information -n, --numeric don't resolve service names -r, --resolve resolve host names -a, --all display all sockets -l, --listening display listening sockets -o, --options show timer information -e, --extended show detailed socket information -m, --memory show socket memory usage -p, --processes show process using socket -i, --info show internal TCP information -s, --summary show socket usage summary -4, --ipv4 display only IP version 4 sockets -6, --ipv6 display only IP version 6 sockets -0, --packet display PACKET sockets -t, --tcp display only TCP sockets -u, --udp display only UDP sockets -w, --raw display only RAW sockets -x, --unix display only Unix domain sockets -f, --family=FAMILY display sockets of type FAMILY -A, --query=QUERY QUERY := {all|inet|tcp|udp|raw|unix|packet|netlink}[,QUERY] -F, --filter=FILE read filter information from FILE FILTER := [ state TCP-STATE ] [ EXPRESSION ]