Re: Can netfilter do this?

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On Thu, 25 Mar 2004, Joe Mott wrote:

> I have been searching the archived lists without any success to have the
> following question answered:
>
> Is netfilter capable of knowing when someone is crafting SMTP (or FTP or
> HTTP or ...) packets that violate RFC rules to exploit a vulnerability
> in some server?
>

Hi,
what you need is an IDS (intrusion detection system).
The most well known are prelude (prelude-ids.org) and snort.

Did I  mention that  I don't  trust snort because  of too  much passed
vulnerabilities?

Regards
Frederic


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