pf

No Starch Press Updates Essential Guide to OpenBSD Packet Filter (PF)

No Starch Press announced the fourth edition of 'The Book of PF,' a comprehensive guide to the OpenBSD firewall utility, authored by Peter N. M. Hansteen. The new edition addresses modern networking demands by incorporating extensive updates on IPv6, traffic shaping, and security hardening techniques. This release confirms PF's continued relevance for system administrators managing complex and hostile network environments.