[quagga-users 12470] Re: Possible OSPF issue.

Adrian Terranova aterranova at gmail.com
Tue Sep 13 21:58:19 IST 2011


+1 to this - the very first test could be ...

nmap -sO

--Adrian

On Tue, Sep 13, 2011 at 1:53 PM, mike <mike-quagga at tiedyenetworks.com> wrote:
> On 09/13/2011 05:51 AM, Paul Jakma wrote:
>>
>> On Mon, 12 Sep 2011, Nathan Gibbs wrote:
>>
>>> When auditing our environment with an nmap protocol scan.
>>>
>>> nmap -sO
>>>
>>> I've seen all the OSPF daemons fall over.
>>>
>>> It doesn't matter if they are vendor supplied or compiled from source.
>>
>> Which version?
>>
>>> Anyone else seeing this?
>>> Is it a bug or a feature?
>>
>> These would be bugs.
>>
>>> Is there a way to mitigate this?
>>
>> Identify where it crashes so it can be fixed. E.g. by running an ospfd
>> under gdb and getting a backtrace once it has crashed/asserted.
>>
>>
>
> I asked this in the not too recent past wether quagga ospf exchanges have
> ever been 'fuzzed', and never got a response. I would like to suggest that
> there should be some sort of test suite that includes throwing both
> structured and unstructured randomized noise at the deamons on their routing
> protocol ports in order to help shake out issues in error handling and
> boundary checking.
>
> Mike-
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