Create packet filters for each IP address in case multihomed system

Question #969

I have a multihomed system … One external IP and two IP’s from a subnet that used to be internal.. I have assigned all three to my external interface .. When I enable packet filtering, the two IP’s from our formerly internal routed subnet aren’t accessible from the Internet.. With packet filters disabled, everything is fine .. I used these two IP’s for my DNS servers.. Any ideas?

Answer

Did you enable routing? You have to create packet filters for each IP address.

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