[Snort-users] ipvar EXTERNAL_NET
Randahl.Peggs at ...17031...
Tue Nov 18 14:45:06 EST 2014
Most examples I see on the net define HOME_NET in various ways and then define the EXTERNAL_NET as being anything not HOME_NET.
Is it ever appropriate to define both in the opposite way. For example, specifically define your EXTERNAL_NET as 1 or more external interfaces or internet facing CIDR addresses and then define HOME_NET as being anything that's not EXTERNAL
ipvar EXTERNAL_NET 205.2xx.xx.X
ipvar HOME_NET !$EXTERNAL_NET
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