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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