What are the reasons to use NRPE?

[Sean Carolan]

> I just wonder what the reasons are to use NRPE in favour of checks
> over ssh with ssh keys. To me, NRPE seems just one more piece of
> software that may potentioally be broken and more hassle with
> firewalls. Why do people still use it when ssh checks are just as
> simple and (in my opinion) far more secure?

I may be in the minority here but I also prefer using ssh with keys
for our remote nagios checks.  We have a medium sized network, around
220 hosts and about 1550 active checks.  The reports of performance
degradation are greatly exaggerated, IMHO.  Our average check time is
less than one second which is more than fast enough for our needs.  By
using ssh we avoided having to install NRPE on several different
versions of Red Hat, and as you mentioned ssh is much more secure
especially if you do it right (eg, password protected key, perhaps
with keychain for loading into ssh-agent after you boot the server
up).

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