A followup with at least partial answers to some questions posted here: https://nxdomain.no/~peter/yes_the_book_of_pf_4th_ed_is_coming.html
Enjoy! - Peter -- Peter N. M. Hansteen, member of the first RFC 1149 implementation team http://bsdly.blogspot.com/ http://www.bsdly.net/ http://www.nuug.no/ "Remember to set the evil bit on all malicious network traffic" delilah spamd[29949]: 85.152.224.147: disconnected after 42673 seconds.
