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Re: Hacked - is it my turn? - interesting



On Tue, Feb 03, 2004 at 02:09:42PM +0100, François TOURDE wrote:
> Le 12451i?me jour apr?s Epoch,
> Richard Atterer écrivait:
> 
> > On Tue, Feb 03, 2004 at 05:38:40AM +0100, Philipp Schulte wrote:
> >> No, with REJECT they would show up as "closed". DROP produces "filtered".
> >
> > FWIW, you also need "--reject-with tcp-reset" to fool nmap.
> 
> But I think DROP is the best way, 'cause it slow down NMAP or other
> sniffers. Sniffers must wait packet timeout, then retry, then wait,
> etc.

Check out the TARPIT target [*] if you're to take this route, but
beware it is really a killer patch--at least, we've had a misconfigured
rule that caused significant head ache to our legitim users.

[*] http://www.netfilter.org/patch-o-matic/pom-extra.html#pom-extra-TARPIT

bit,
adam

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