tag

#pf

3 posts

FreeBSDHow-To July 7, 2026 2 min read

How to Configure FreeBSD as a Router with pf NAT

A complete walkthrough turning a FreeBSD box with two network interfaces into a working NAT router/firewall — gateway forwarding, NAT rules, and a sane default-deny ruleset.

#howto#pf#nat

FreeBSDFix July 4, 2026 2 min read

Fixing pf State Table Exhaustion on FreeBSD

New connections start silently failing on a busy firewall, and pfctl reports the state table is full. Here's how to confirm it and size the table correctly for real traffic levels.

#fix#pf#firewall

FreeBSDDeep Dive May 8, 2026 4 min read

Configuring pf on FreeBSD: A Practical Guide to Packet Filtering

How pf's rule evaluation model, tables, and anchors fit together on FreeBSD, with a ruleset you can adapt for a real host.

#pf#firewall#networking