check_smtp
Marc Powell
mpowell at ena.com
Thu Sep 18 23:40:59 CEST 2003
This seems reminiscent of an old issue with 'QUIT\r'. If you manually
telnet to the machine on port 25 and then QUIT, how long does that
process take?
--
Marc
> -----Original Message-----
> From: Yoder the Sheepherder [mailto:stripp at myclearwave.net]
> Sent: Thursday, September 18, 2003 4:05 PM
> To: Jason Lancaster
> Cc: nagios-users at lists.sourceforge.net
>
> What I have is:
> in checkcommands.cfg
> # 'check_smtp' command definition
> define command{
> command_name check_smtp
> command_line $USER1$/check_smtp -H $HOSTADDRESS$
> }
>
> and in services.cfg
> # Service definition
> define service{
> use generic-service ;
Name
> of service template to use
>
> host_name clrwv-mail
> service_description SMTP
> is_volatile 0
> check_period 24x7
> max_check_attempts 3
> normal_check_interval 3
> retry_check_interval 1
> contact_groups admin
> notification_interval 10
> notification_period 24x7
> notification_options w,u,c,r
> check_command check_smtp
> }
>
>
> I've set up check_tcp on port 25 for now, but am still looking at what
> caused this. A sendmail upgrade may be causing this, but not sure.
> Thank you much.
>
> Jason Lancaster wrote:
> > Can you post your exact check command definition? The only other
thought
> > I have is you're hitting the Nagios plugin execution time limit
(default
> > is 30s I believe) defined in nagios.cfg.
> >
> > Jason
> >
> > Yoder the Sheepherder wrote:
> >
> >> The only arg I'm using is -H although I have tried it with -p, -e,
and
> >> -f. I'm going back and checking to see if sendmail was updated
around
> >> the time this happened, but I do not believe so.
> >>
> >> Subhendu Ghosh wrote:
> >>
> >>> What are the args to check_smtp in your config?
> >>>
> >>> On Mon, 15 Sep 2003, Yoder the Sheepherder wrote:
> >>>
> >>>
> >>>> I've had the same problem with it on Redhat. It was working for
> >>>> quite some time, then stopped. I'm using check_smtp from nagios
> >>>> plugins 1.3.1 on Redhat 9.
> >>>>
> >>>> chbaker at powersystems.rockwell.com wrote:
> >>>>
> >>>>
> >>>>> The check_smtp plugin version 1.6, on Debian unstable has
started
> >>>>> giving me
> >>>>> problems over the last week or so. No matter how long I set the
> >>>>> timeout
> >>>>> period, the check always times out. Checks of other services on
the
> >>>>> same
> >>>>> boxes are fine. When I run check_smtp from the command line to a
> >>>>> server
> >>>>> that is not currently being monitored, it times out as well. The
> >>>>> servers in
> >>>>> question do have either inetd or sendmail itself listening at
port
> >>>>> 25. Any
> >>>>> ideas?
> >>>>>
> >>>
> >>>
> >>
> >
> >
> >
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>
> --
> In a time of universal lies, Telling the Truth is a revolutionary act
-
> George Orwell
>
>
>
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