NRPE peculiarity

[Fredrik Wänglund]

Are you sure you are not running portsentry or similar programs that blocks you out on the port NRPE is using?



/FredrikW


-----Original Message-----
From:	Carroll, Jim P [Contractor] [mailto:jcarro10 at sprintspectrum.com]
Sent:	Fri 27-Sep-02 21:50
To:	nagios-users
Cc:	
Subject:	[Nagios-users] NRPE peculiarity

I'm starting to roll out NRPE across our hosts (3 so far), and on one of our
busier ones am getting messages like this one in /var/adm/messages:

Sep 27 13:35:17 itdmln15 nrpe[20712]: [ID 421412 daemon.error] Could not
read request from client, bailing out...

And on the Nagios side, this is the sort of message I'm getting from
nagios.log (with the Perl-converted timestamp):

[Fri Sep 27 13:35:34 2002] SERVICE ALERT: itdmln15;Total
Users;UNKNOWN;SOFT;1;CHECK_NRPE: Received 0 bytes.  Are we allowed to
connect to the host?

FWIW, the Nagios server is running Red Hat Linux 7.3 2.96-110 on a Dell
Optiplex GX1, and the client running NRPE is running Solaris8 on an E6500.
mii-tool on the Dell reports 100baseTx-FD, and I know that the E6500 is
running at 100Mbps at full duplex.

I know my Nagios host could probably benefit from a beefier box, but top
reports that the system is doing quite well.

Can anyone comment on this NRPE anomaly?  Is this common, can I expect lots
more of this sort of problem?  Or do I need to tune something?  (I can't
imagine what, but still....)

Suggestions welcomed.

jc


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