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Check manual page of netstat

Checkmk Manual

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Established TCP Connections or TCP/UDP Listeners

Distribution: official part of Check_MK
License: GPL
Supported Agents: Linux, AIX, Solaris

This check evaluates the output of the netstat command on Linux, AIX and Solaris and checks if there are established connections or listeners matching a given criteria.

The check returns OK state if the specified connection/listener is present, and CRIT if not.

This check needs the respective agent plugin netstat.linux, netstat.aix or netstat.solaris to be installed.


The name of the connection


No discovery supported.