Re: Anti-DDoS Appliance with a focus on Web Code Exploits (Comment Spam, and the like)

[Thrynn <thrynn404 () gmail com>]

You could use snort-inline to detect and block known bad stuff (scans,
worms, etc). As for the 100 hits in 10 seconds... that sounds like a
job for netfilter "rate limiting". Google around the
iptables/netfilter docs and you should find something suitable.

On 8/31/07, Eric Marden <security () xentek net> wrote:
> I've just started with a company running Coldfusion Apps on Windows.
> Too much code for me to audit quickly, but need some recommendations
> on something we can put at the network perimeter that will sniff
> incoming traffic only for weird patterns.... like if a guest book
> gets hit 100 times in 10 secs from the same IP it will just start to
> block....
>
> It shouldn't worry about outgoing, just incoming.
>
> Didn't think Snort was for this, or other IDS type systems.
> Commercial or Open Source (OS Preferred) will be considered. An
> Appliance if its Commercial. We need something quick and easy.
>
> The previous engineers had no clue, so I'm untangling knots on the
> server/infrastructure side (CF goes down like crazy). The current
> Devs, are just not trained in secure coding practices.
>
> I need a blanket solution that will work for the next couple of
> months, until I can circle back and help them fix their CF Code.
>
> P.S. - We are starting to look at bl.com and project honeypot's
> tools, and like what we see so far, but would like more input.
>
> Thanks in advance!
>
>
>
>
> -= Eric Marden =-
>
>
>
>
>
>
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despite security executives' efforts to prevent malicious attacks. This 
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