detecting rogue dhcp server

Chris atstake at gmail.com
Mon Mar 30 05:47:20 CEST 2009


On Thu, Mar 26, 2009 at 6:52 PM, Andreas Ericsson <ae at op5.se> wrote:
> Chris wrote:
>>
>> Is there any plugin exist to detect rogue dhcp servers across all vlans/
>> subnet?
>>
>> I have had a look at two programs (not Nagios plugins): dhcp_probe and
>> roguedetect - none suitable for human consumption yet. There is an
>> excellent program on Windows call "dhcploc.exe" but I'm on Linux.
>>
>
> check_dhcp can sort of do what you want. Give it a whirl.

After doing a lot of Google searching I found
http://archive.netbsd.se/?ml=nagiosplug-devel&a=2007-12&t=5955729

Looks like there is an "-x" switch which will do exactly that.

But I'm having trouble locating that check_dhcp C program or even the
plugin bundle.

Mine doesn't have the "-x" switch.

Does anyone know where can I download this code?

Thanks.

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