use of check_udp

[Andreas Ericsson]

Hijacking a message thread to start a new one is a poor way of getting
helpful answers. Please don't do that again.

Philip Brown wrote:
> Hmm..
> 
> another snag I hit upgrading from plugins version 1.3.1, to 1.4.13.
> 
> previously, it was perfectly valid to use
> 
> check_udp -H hostname -p ####
> 
> and it worked.
> 
> but now, you have to specify BOTH a 'send' string, and an 'expect' string.
> 
> The help/error message is not entirely clear:
> 
> With UDP checks, a send/expect string must be specified.
> 
> It would be nicer if it more accurately said,
> 
> With UDP checks, both a send AND an expect string must be specified.
> 
> 
> I was wondering why it was not sufficient to call it with -s. I did not 
> realize it required -e as well.
> Also: i didnt really know what to 'expect"... but it turns out that
> 
> check_udp -H host -p 2342 -s 'xyz' -e ''
> 
> works ok.
> 
> Too bad that trick does not seem to work for checking if a kerb5 kdc port is 
> up and valid.
> 
> I know there is a "check_kdc" perl script, but it requires a couple of 
> external modules. I prefer things that are self-contained, or compiled.
> 

-- 
Andreas Ericsson                   andreas.ericsson at op5.se
OP5 AB                             www.op5.se
Tel: +46 8-230225                  Fax: +46 8-230231

Considering the successes of the wars on alcohol, poverty, drugs and
terror, I think we should give some serious thought to declaring war
on peace.

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