# sockstat > List open Internet or UNIX domain sockets. > More information: . - View which users/processes are [l]istening on which ports: `sockstat -l` - Show information for IPv[4]/IPv[6] sockets [l]istening on specific [p]orts using a specific [P]rotocol: `sockstat -{{4|6}} -l -P {{tcp|udp|sctp|divert}} -p {{port1,port2...}}` - Also show [c]onnected sockets, not resolving [n]umeric UIDs to user names and using a [w]ider field size: `sockstat -cnw` - Only show sockets that belong to a specific [j]ail ID or name in [v]erbose mode: `sockstat -jv` - Display the protocol [s]tate and the remote [U]DP encapsulation port number, if applicable (these are currently only implemented for SCTP and TCP): `sockstat -sU` - Display the [C]ongestion control module and the protocol [S]tack, if applicable (these are currently only implemented for TCP): `sockstat -CS` - Only show Internet sockets if the local and foreign addresses are not in the loopback network prefix 127.0.0.0/8, or do not contain the IPv6 loopback address ::1: `sockstat -L` - Do not show the header ([q]uiet mode), showing [u]nix sockets and displaying the `inp_gencnt`: `sockstat -qui`