Resources
- Pfctl man page (apple.com)
- Pf.conf man page (apple.com)
- How to secure your Mac when using it on wireless networks (sarfata.org)
- Pf on OS X 10.7 (zomo.co.uk)
- OpenBSD packet filter (PF): Real life example (daemon-notes.com)
- Firewalling with OpenBSD's PF packet filter (rlworkman.net)
- PF (OpenBSD) (readthedocs.org)
- PF rules (kernel-panic.it)