sockstat

List open Internet or UNIX domain sockets. See also: netstat. More information: https://manned.org/sockstat.

• Show information for IPv4 and IPv6 sockets for both listening and connected sockets:

sockstat

• Show information for IPv[4]/IPv[6] sockets [l]istening on specific [p]orts using a specific p[R]otocol:

sockstat -{{4|6}} -l -R {{tcp|udp|raw|unix}} -p {{port1,port2...}}

• Also show [c]onnected sockets and [u]nix sockets:

sockstat -cu

• Only show sockets of the specified pid or process:

sockstat -P {{pid|process}}

• Only show sockets of the specified uid or user:

sockstat -U {{uid|user}}

• Only show sockets of the specified gid or group:

sockstat -G {{gid|group}}