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Re: firestorm question



On Tue, 2003-03-25 at 16:55, Gianni Tedesco wrote:
> On Tue, 2003-03-25 at 16:34, rmkml wrote:
> > If an attacker send tcp Syn to me,
> > 
> > If my box respond automaticaly tcp Reset,
> 
> alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"RST"; flags:R;)
> 
> > and other,
> > If an attacker send udp to me,
> > and my box respond automaticaly icmp port unreachable,
> 
> alert icmp $HOME_NET any -> $EXTERNAL_NET any (msg: "ICMP"; itype: X;
> icode: Y;)
> 
> etc...
> 
> or am i missing something? :)

Won't the first one alert every time a TCP connection is closed by
either party, so long as one of them is yourself?

Greg.

-- 
With searching comes loss 
and the presence of absence 
"My Novel" not found

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