Re: How to detect OS with Snort?

[Borja Luaces <borja.luaces () gmail com>]

Hello all,

The problem is that I can NOT install anything in the snort system.

I can ONLY use snort rules.

I am making tests with the preproccesor http_inspect.

On Thu, May 17, 2012 at 11:47 AM, Jason Haar <Jason_Haar () trimble com> wrote:

> On 17/05/12 04:02, Olaf Schreck wrote:
> > > In OpenSource land, p0f is the best tool to go about detecting OSes.
> > Or OpenBSDs pf firewall which has this functionality built in.
>
> ...except I wouldn't trust either to make blocking decisions. I've used
> p0f for years and even though it's very useful, it still gets a lot of
> packets wrong - eg Windows systems declared as Linux - and 3 packets
> later being Windows. Great metadata - but I wouldn't block/alert on it
>
> --
> Cheers
>
> Jason Haar
> Information Security Manager, Trimble Navigation Ltd.
> Phone: +1 408 481 8171
> PGP Fingerprint: 7A2E 0407 C9A6 CAF6 2B9F 8422 C063 5EBB FE1D 66D1
>
>
>
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-- 
Borja Luaces Altares
Administrador/Analista de Sistemas (MCSE Security,C|EH & CSSA)

------------------------------------------------------------------------------
Live Security Virtual Conference
Exclusive live event will cover all the ways today's security and 
threat landscape has changed and how IT managers can respond. Discussions 
will include endpoint security, mobile security and the latest in malware 
threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/

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