Un altro strumento disponibile su Linux è ss . Dalla pagina man di ss su Fedora:
NAME
ss - another utility to investigate sockets
SYNOPSIS
ss [options] [ FILTER ]
DESCRIPTION
ss is used to dump socket statistics. It allows showing information
similar to netstat. It can display more TCP and state informations
than other tools.
Esempio di output di seguito: la colonna finale mostra l'associazione di processo:
[root@box] ss -ap
State Recv-Q Send-Q Local Address:Port Peer Address:Port
LISTEN 0 128 :::http :::* users:(("httpd",20891,4),("httpd",20894,4),("httpd",20895,4),("httpd",20896,4)
LISTEN 0 128 127.0.0.1:munin *:* users:(("munin-node",1278,5))
LISTEN 0 128 :::ssh :::* users:(("sshd",1175,4))
LISTEN 0 128 *:ssh *:* users:(("sshd",1175,3))
LISTEN 0 10 127.0.0.1:smtp *:* users:(("sendmail",1199,4))
LISTEN 0 128 127.0.0.1:x11-ssh-offset *:* users:(("sshd",25734,8))
LISTEN 0 128 ::1:x11-ssh-offset :::* users:(("sshd",25734,7))