pf is the OpenBSD Packet Filter, a feature-rich IP-layer firewall used on FreeBSD, NetBSD, and Mac OS X, as well as in the pfSense open-source firewall appliance software.

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Packet Filter configuration to restrict traffic to the local host

I have been running a pf based filtering router on OpenBSD 4.3 for about a year now. My current task is to set up a new network segment for hosting our external sites. My aim is that machines set up ...
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PF tagging then adding to table

could someone please provide an example on how to add a tagged packet to a table? I have found commands to do it from the command line but can you setup a specific rule to do it inside of pf.conf? ...
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reroute DDOS to FBI Illegal? [closed]

Okay I know this might sound silly or dumb, but I would like to know (if anyone knows) if it would be illegal to reroute DDoS traffic to fbi.gov... I just thought it might be a good idea if you ...
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2answers
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Using Free/Open BSD + pf as a DDoS filter [duplicate]

Is using Free/Open BSD + pf a workable option for filtering DDoS? Which of the two would perform better under heavy load? (SYN flood maxing a 1 gbit pipe) Is this even an option to consider, or is a ...
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NFS mount “hanging” when accessing from a server on a different subnet

Here's a problem which I am at a loss to diagnose: Our user home directories are served via NFS from an Apple XServe running Mac OS X 10.5.7. Normally they are exported to our default office subnet, ...