AW: [Nagiosplug-help] strange check_dhcp behavior

[SCHAUSBERGER Christian]

>If you run the plugin by itself, and see the OFFER via tcpdump on the host 
>running the plugin, but the plugin does not receive it - then you may have 
>more serious issues with your system.
>
>Are you running check_dhcp as setuid root and does your kernel have any
>restrictions on setuid programs?

Sorry for my late reply, but I wasn't in work for some time. 
The only thing i could think of, is that grsecurity is set to low in my kernel config. 
(im using a 2.4.20 kernel) I'm going to remove grsecurity and run the tests again. Maybe it helps.

thx for answering
christian