[Snort-users] $HOME_NET question

Ralph Churchill mrchucho at ...131...
Wed Jan 22 12:14:18 EST 2003

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

alert udp $EXTERNAL_NET any -> $HOME_NET 161...

For this example, assume my IP is I'm
getting  alerts for a packet from to 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? 


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