netstat

netstat prints information about the Linux networking subsystem.

• netstat [EN] @ Wikipedia
• netstat [DE] @ Wikipedia

Documentation

• man 8 'netstat' [EN]

Syntax

netstat [PARAMETER ...]

Parameters

-i INTERFACE, --interface=INTERFACE

Display a table of all network INTERFACE, or the specified interface.

-r, --route

Display the kernel routing tables.

-s, --statistics

Display summary statistics for each protocol.

-a, --all

Show both listening and non-listening sockets. With the --interfaces option, show interfaces that are not marked.

-c, --continuous

This will cause netstat to print the selected information every second continuously.

-C

Print routing information from the route cache.

-l, --listening

Show only listening sockets.

-n, --numeric

Show numerical addresses instead of trying to determine symbolic host, port or user names.

-p, --program

Show the PID and name of the program to which each socket belongs.

-t, --tcp

-u, --udp

Examples

netstat --all --program --tcp