Two Ethernet Interfaces?

["Mike Koponick" <mike () redhawk info>]

I was wondering if it was absolutely necessary to have TWO ethernet
interfaces for the Snort sensor? Is this done for security or performance
issues? I would think that if you had one interface it would work fine if
there wasn't a lot of traffic. However, I would like to run in promisc mode,
as I could "catch" more traffic that way, so I would assume if you wanted to
run in promisc mode you would have to have two ethernet interfaces, true?

Thanks in advance for you help.

Mike



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