diff --git a/cheat/cheatsheets/ss b/cheat/cheatsheets/ss new file mode 100644 index 0000000..8925108 --- /dev/null +++ b/cheat/cheatsheets/ss @@ -0,0 +1,18 @@ +ss +Utility to investigate sockets + +Args +-4/-6 list ipv4/ipv6 sockets +-n numeric addresses instead of hostnames +-l list listing sockets +-u/-t/-x list udp/tcp/unix sockets +-p Show process(es) that using socket + +# show all listing tcp sockets including the corresponding process +ss -tlp + +# show all sockets connecting to 192.168.2.1 on port 80 +ss -t dst 192.168.2.1:80 + +# show all ssh related connection +ss -t state established '( dport = :ssh or sport = :ssh )'