[Nagiosplug-devel] check_udp

Ton Voon ton.voon at altinity.com
Thu Mar 23 06:33:02 CET 2006

On 23 Mar 2006, at 14:21, Andreas Ericsson wrote:

> Ton Voon wrote:
>>   ln -s check_tcp check_udp
>>   ./check_udp -H localhost -p 3333     # will always return OK.  
>> Is  this right?
> No.

Way hey! Tests (even manual ones) do work then!

Do you have a patch, since you're much cleverer than me when it comes  
to udp stuff.

>>   ./check_udp -H -p 3333   # will always return OK.  
>> Is  this right if the host does not exist?
> No, it will not. If there's no route to the target host connect()  
> will return -1 and set errno to ENOROUTE, which I expect will be  
> detected.

This is currently returning OK, so that must be a bug. Could you  
patch please?

What about if the ip is routable (say, in the same subnet), but not  
actually responding. Would you expect this to fail?


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