I just came across APF which seems to be a really good firewall... Whats the best? UFW or APF? What should I use?
closed as not constructive by womble, sysadmin1138♦ Mar 20 '12 at 5:59
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Frankly, your better option is to learn NetFilter/IPTables if you're going to admin Linux systems.
As for the question at hand, I'm not familiar with APF, but last I checked UFW has serious limitations for anything but desktop deployment. It had no ability to differentiate between different interfaces, making it useless for forwarding traffic.