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Forward / backward compatibility of plugins

Posted: Wed Sep 04, 2019 10:52 am
by SMART-IT
I need to monitor some (old) IIS.
Looking at the IIS Nagios plugins list : https://exchange.nagios.org/directory/P ... ervers/IIS
I was wondering whether the fact that a plugin was compatible with Nagios 3 or Nagios 4 would mean it is compatible with XI ?
Admin told me to look for that more than the IIS version for compatibility.

What has changed in the protocole ?
What has changed in the NRPE API ?

Any hint ?

\T,

Re: Forward / backward compatibility of plugins

Posted: Wed Sep 04, 2019 12:11 pm
by swolf
Hi @SMART-IT,

To my knowledge, the nagios plugins spec is unversioned. At the very least, the specification hasn't changed since ~2009, and any older plugins which worked with previous versions of Nagios should work with the new versions as well.

Updates to the NRPE protocol have mostly had to do with SSL and supported encryption/decryption methods. To be honest, your best bet for monitoring Windows is to use NCPA if possible, but NSClient (the Windows agent which works with check_nrpe) should still be compatible with Nagios XI.