A plug-in for Nagios to check the a terminal server is runing ?

[Stanley Hopcroft]

Dear Folks,

I am writing to thank you for your letter and say,

On Fri, Feb 25, 2005 at 08:10:21PM -0800, nagios-users-request at lists.sourceforge.net wrote:

> -----Oprindelig meddelelse-----
> Fra: Schmitz, Carsten [mailto:Carsten.Schmitz at aegon.com]=20
> Sendt: 25. februar 2005 12:43
> Til: Anders Christensen; nagios-users at lists.sourceforge.net
> Emne: RE: [Nagios-users] A plug-in for Nagios to check the a terminal =
> server is runing ?
> 
> 
> Hi,
> 
> > Is there a plugin the tests if a terminal server is up and running ?
> 
> What kind of terminal server? Citrix?
> 
> I am using a perl script that emulates the ICA protocol by replaying =
> captured packets and checks for published applications. I don't know =
> anymore where I originally downloaded it, but I attach it below. Place =
> in a file in your nagios/libexec directory, then reference in =
> checkcommands.cfg.
> 
> Cheers,
> Carsten
> 
> 
> 
> ------------
> 
> #!/usr/bin/perl -w
> 
> # $Id: check_citrix,v 1.1 2002/11/29 12:02:00 stanleyhopcroft Exp $
> 
> # $Log: check_citrix,v $
> # Revision 1.1  2002/11/29 12:02:00  stanleyhopcroft
> #
> # New plugin to check the ICA browse service (used by Citrix Metaframe =
> servers) from
> # Ed Rolison and Tom De Blende.
> #
>

The latest version of this plugin is  

contrib/check_ica_metaframe_pub_apps.pl

in the 1.4 plugin distro (it also requires contrib/net_utils.pm and 
have a few less bugs than the version above).

Note it doesn't check that the terminal server is working, only that the 
ICA layer is responding to queries for the hosts of published 
applications.

That said, in my limited experience, the largest cause of 'terminal 
services/metaframe' failure is failure of these peripheral services.

Finally,

1 There are a family of contrib/check_ica plugins that  check the 
Citrix apps that run 'on the top of' terminal services.

In Metaframe XP, the server locater service is called 'Citrix 
Program Neigbourhood' and runs over HTTP (not UDP as in the plugin 
above)

2 I have no idea about using RDP or whatever terminal server uses for 
its remote sessions, but there _is_ a plugin on SF - that didn't make 
it into the 1.4 release (purely for lack of time and energy) - that 
checks RDP

3 NC_Client (?) may do checks of terminal services  ??

4 Some of the Terminal services perf data may be exposed by SNMP ??

Yours sincerely.

-- 
Stanley Hopcroft

IP Australia
Ph: (02) 6283 3189  Fax: (02) 6281 1353
PO Box 200 Woden  ACT 2606
http://www.ipaustralia.gov.au
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