[Snort-users] $HOME_NET question

twig les twigles at ...131...
Wed Jan 22 12:58:04 EST 2003


If I remember correctly from a previous post on this
issue, 1.8.7 had a parsing problem.  I'd just upgrade
to 1.9


--- Ralph Churchill <mrchucho at ...131...> wrote:
> I have snort 1.8.7. I have set my $HOME_NET to be
> $eth0_ADDRESS and my external net set to !$HOME_NET.
> However, I still get alerts from other computers on
> my
> subnet! For example, the "SNMP public access udp"
> rule
> says:
> 
> alert udp $EXTERNAL_NET any -> $HOME_NET 161...
> 
> For this example, assume my IP is 192.168.1.2. I'm
> getting  alerts for a packet from 172.20.39.32 to
> 192.168.1.3. Why?   I'm totally confused. I thought
> $HOME, if set to $eth0_ADDRESS would only give
> alerts
> for things coming into my IP?!?! Am I wrong? 
> 
> RMC
> 
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