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In that manual we will show you some options to monitor tcp/udp ports with Checkmk

active checks

We do provide some active checks to monitor the functionality of applications like DNS/HTML:

Agent Plugin "Established TCP/UDP connections"

We do provide a netstat plugin collecting the network statistics. To configure the plugin, you have two ways:

  • manual
    • copy the corresponding plugin to the monitored host like described here:

  • bakery
    • Setup → Agents → Windows, Linux, Solaris, AIX → Agent rules → Established TCP/UDP connections → New rule: Established TCP/UDP connections

  • now you will need to configure the corresponding service rule. In that case, it's an enforced service

    • Setup → Services → Enforced services → Monitor specific TCP/UDP connections and listeners → New rule: Monitor specific TCP/UDP connections and listeners