Any experiences with check_udp

Christophe Le Guern cleguern at artful.net
Tue Sep 10 17:49:55 CEST 2002


it seems that Terminal server uses TCP/3389

http://support.microsoft.com/default.aspx?scid=KB;EN-US;q150543&

christophe

On Tue, 10 Sep 2002 17:05:00 +0200
"ZIEGENBEIN, Kurt" <kurt.ziegenbein at saarstahl.de> wrote:

> Hi all!
> 
> I've some kind of trouble with the check_udp plugin. I want to check
> a W2k-Terminalserver (1604/UDP), but it seems that the way I use the
> plugin isn't correct.
> 
> I made the following tests with the "well-known-port" 53 (DNS), so that
> I can be sure that there is nothing special with w2k.
> 
> The command (direct from shell) "check_udp <ip> -p 54" exits directly
> with "No response from host on port 54". Thats ok, because there is nothing
> listening.
> 
> The command "check_udp <ip> -p 53" waits for the timeout (10 sec) and then
> exits with "No data was recieved from host! No response from host on port
> 53"
> 
> Where is the problem?
> 
> Since the code for check_udp didn't change in the past half year, I don't
> expect bugs there...
> 
> Kurt
> 
> 
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