On Fri, May 16, 2003 at 09:49:32AM +0200, [EMAIL PROTECTED] wrote:
> Hi all,
> 
> I just installed Snort IDS on my firewall Debian box which is so configured:
> 
> eth0 10.0.0.1 (serves internal LAN)
> eth1 192.168.100.1 (directly connected to an ADSL modem auto-connecting to 
> the 
> provider with IP 192.168.100.2)
> 
> I run snort on eth1 NOT in promiscuos mode and I send periodic email reports 
> to me.
> 
> The problem is that I receive messages from the kernel (firewall) indicating 
> some 
> "action" blocked from the internet, but snort never shows up anything in its 
> reports.
> 
> Could someone tell me if I misconfigured the system and, please, a possible 
> right 
> configuration ?

That would all depend on how you have Snort configured (ruleset) and
what the actual kernel messages say. Just because you block an unwanted 
connection to a certain port doesn't mean the connection attempt matched
a rule. Also, if it was blocked by the kernel, snort may have never
seen it, since you are not in promisc. mode, IIRC.

Tim

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>> Tim Sailer (at home)             ><  Coastal Internet, Inc.          <<
>> Network and Systems Operations   ><  PO Box 726                      <<
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