Oh, I suppose I have been slacking and not telling you that if you order The Book of PF, 4th ed https://nostarch.com/book-of-pf-4th-edition now, you will get the *final version* ebook (print is still in progress) #bookofpf #openbsd #freebsd #networking #firewalls #pf #networktrickery #freesoftware #libresoftware @nostarch

Also see https://nxdomain.no/~peter/yes_the_book_of_pf_4th_ed_is_coming.html

Oh, I suppose I have been slacking and not telling you that if you order The Book of PF, 4th ed https://nostarch.com/book-of-pf-4th-edition now, you will get the *final version* ebook (print is still in progress) #bookofpf #openbsd #freebsd #networking #firewalls #pf #networktrickery #freesoftware #libresoftware @nostarch

Also see https://nxdomain.no/~peter/yes_the_book_of_pf_4th_ed_is_coming.html

Long rumored and eagerly anticipated by some, the fourth edition of The Book of PF is now available for preorder

More: https://nxdomain.no/~peter/yes_the_book_of_pf_4th_ed_is_coming.html (https://bsdly.blogspot.com/2025/07/yes-book-of-pf-4th-edition-is-coming.html), https://nostarch.com/book-of-pf-4th-edition @nostarch #openbsd #freebsd #pf #networking #bookofpf #freesoftware #firewalls

Long rumored and eagerly anticipated by some, the fourth edition of The Book of PF is now available for preorder

More: https://nxdomain.no/~peter/yes_the_book_of_pf_4th_ed_is_coming.html (https://bsdly.blogspot.com/2025/07/yes-book-of-pf-4th-edition-is-coming.html), https://nostarch.com/book-of-pf-4th-edition @nostarch #openbsd #freebsd #pf #networking #bookofpf #freesoftware #firewalls

We're (now) moving from OpenBSD to FreeBSD for firewalls

https://utcc.utoronto.ca/~cks/space/blog/sysadmin/OpenBSDToFreeBSDMove

#HackerNews #OpenBSD #FreeBSD #firewalls #sysadmin #technews #migration