radius checks

Jim Avery jim at jimavery.me.uk
Wed Mar 4 17:13:36 CET 2009


2009/3/4 Jason Frisvold <frisvolj at lafayette.edu>:
> Hi all,
>
>        I'm at wits end here trying to figure out how to monitor radius with
> nagios.  I have tried multiple plugins, but all to no avail.
>
>        I tried the check_radius plugin that ships with nagios-plugins, but I
> kept getting "Auth failed" and no packets were ever sent to my radius
> server.
>
>        I tried radauth from NagiosExchange (both the original and the updated
> radauth.c) and they failed with error in radius about malformed packets.
>
>        I moved on to radius_check_adv and radius_check_ih, both from
> NagiosExchange, and they both fail with errors about the secrets not
> being correct, though I have checked them multiple times and even tried
> configuring them as testing123 and test and nagios and more.  radtest
> (from freeradius) can authenticate with no problem using the same secrets.
>
>        What am I missing?  Is there some super-secret config switch I need to
> set or something?



I have used check_radius.pl by Carlos Vicente sucessfully in the past
(it's title is "Perl check radius" on nagiosexchange.org).  I found
that after a month though the password for the radius account I was
using would time out and the check would fail.  Fair enough, but the
admin of the Radius server would never get around to resetting the
password for me so I gave up in the end and have stopped monitoring
it.

Good luck.

Jim

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