nrpe-nt not sending FIN/SYN?

[Marc Powell]

> -----Original Message-----
> From: nagios-users-bounces at lists.sourceforge.net [mailto:nagios-users-
> bounces at lists.sourceforge.net] On Behalf Of Hugo van der Kooij
> Sent: Friday, July 14, 2006 4:35 PM
> To: Nagios Users Mailinglist
> Subject: Re: [Nagios-users] nrpe-nt not sending FIN/SYN?
> 
> On Fri, 14 Jul 2006, Andrew Ruddock wrote:
> 
> > Current timer values in the Pix, which seem more than reasonable to
me.
> > These are the defaults.  In fact, I may even want to shorten some of
> them.
> >
> > timeout xlate 3:00:00  (Specifies the idle time until a translation
slot
> > is freed; the minimum value is one minute.)
> >
> > timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02
> > conn = Specifies the idle time after which a connection closes; the
> > minimum duration is five minutes.
> > half-closed = Specifies the idle time after which a TCP half-closed
> > connection will be freed.
> 
> There is what you configured. Not nescessarily what actually takes
place.
> I have seen my share of incorrect session handling on Cisco equipment.
> Mostly IOS issues but some PIX bugs as well.
> 
> So far I see nothing odd to prove Nagios is doing anything wrong. But
you
> need to monitor and compare 2 sides. One is the session as seen
between
> Nagios and PIX. The other between PIX and NRPE.

I admit my ignorance here but isn't NRPE using the standard socket
libraries of the OS? SYN/FIN bits would be set by the OS, not NRPE,
would they not? As far as NRPE is concerned it's just sending data to a
socket and the actual transport is handled elsewhere.

--
Marc 


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