tag

#ipfw

2 posts

FreeBSDDeep Dive October 3, 2026 8 min read

FreeBSD IPFW Lookup Tables: Build and Update Large Match Sets Safely

Use IPFW lookup tables for large address and key sets, stage changes, inspect matches, and avoid partial updates or remote lockouts.

#freebsd#ipfw#firewall

FreeBSDDeep Dive October 2, 2026 5 min read

Design auditable IPFW policies and use Dummynet pipes and queues to shape bandwidth, add latency, and test network behavior safely.

#freebsd#ipfw#dummynet