Yes, The Book of PF, 4th Edition Is Coming Soon https://nxdomain.no/~peter/yes_the_book_of_pf_4th_ed_is_coming.html (also tracked https://bsdly.blogspot.com/2025/07/yes-book-of-pf-4th-edition-is-coming.html) #openbsd #freebsd #bookofpf #pf #packetfilter #book #networking #security #freesoftware #libresoftware #shamelessplug

Yes, The Book of PF, 4th Edition Is Coming Soon https://nxdomain.no/~peter/yes_the_book_of_pf_4th_ed_is_coming.html (also tracked https://bsdly.blogspot.com/2025/07/yes-book-of-pf-4th-edition-is-coming.html) #openbsd #freebsd #bookofpf #pf #packetfilter #book #networking #security #freesoftware #libresoftware #shamelessplug

The long version of why you need key authentication for your SSH servers - "The Hail Mary Cloud and the lessons learned" https://nxdomain.no/~peter/hailmary_lessons_learned.html #ssh #passwordgroping #unix #linux #openbsd #freebsd #pf #packetfilter

Also The 4th edition of the Book of PF is coming soon: https://nxdomain.no/~peter/yes_the_book_of_pf_4th_ed_is_coming.html

The long version of why you need key authentication for your SSH servers - "The Hail Mary Cloud and the lessons learned" https://nxdomain.no/~peter/hailmary_lessons_learned.html #ssh #passwordgroping #unix #linux #openbsd #freebsd #pf #packetfilter

Also The 4th edition of the Book of PF is coming soon: https://nxdomain.no/~peter/yes_the_book_of_pf_4th_ed_is_coming.html

We are still working on The Book of PF, 4th ed.

Preorders are open at https://nostarch.com/book-of-pf-4th-edition, read about the work at https://nxdomain.no/~peter/yes_the_book_of_pf_4th_ed_is_coming.html (also tracked at https://bsdly.blogspot.com/2025/07/yes-book-of-pf-4th-edition-is-coming.html) #bookofpf #newedition #freebsdd #openbsd #pf #packetfilter #networking #security #freesoftware #libresoftware

We are still working on The Book of PF, 4th ed.

Preorders are open at https://nostarch.com/book-of-pf-4th-edition, read about the work at https://nxdomain.no/~peter/yes_the_book_of_pf_4th_ed_is_coming.html (also tracked at https://bsdly.blogspot.com/2025/07/yes-book-of-pf-4th-edition-is-coming.html) #bookofpf #newedition #freebsdd #openbsd #pf #packetfilter #networking #security #freesoftware #libresoftware

At EuroBSDCon 2025 in Zagreb: "Network Management with the OpenBSD Packet Filter Toolset" by Peter N. M. Hansteen, Tom Smyth, Max Stucchi, see https://events.eurobsdcon.org/2025/talk/FW39CX/

Schedule at https://events.eurobsdcon.org/2025/schedule/

To register https://2025.eurobsdcon.org/registration.html

#eurobsdcon #freebsd #openbsd #networking #packetfilter #pf #security #devops #sysadmin

At EuroBSDCon 2025 in Zagreb: "Network Management with the OpenBSD Packet Filter Toolset" by Peter N. M. Hansteen, Tom Smyth, Max Stucchi, see https://events.eurobsdcon.org/2025/talk/FW39CX/

Schedule at https://events.eurobsdcon.org/2025/schedule/

To register https://2025.eurobsdcon.org/registration.html

#eurobsdcon #freebsd #openbsd #networking #packetfilter #pf #security #devops #sysadmin

oh, my "Yes, The Book of PF, 4th Edition Is Coming Soon" blog post https://bsdly.blogspot.com/2025/07/yes-book-of-pf-4th-edition-is-coming.html is on hackernews: https://news.ycombinator.com/item?id=44657803#bookofpf #pf #packetfilter #openbsd #freebsd #networking (non-tracked: https://nxdomain.no/~peter/yes_the_book_of_pf_4th_ed_is_coming.html)

oh, my "Yes, The Book of PF, 4th Edition Is Coming Soon" blog post https://bsdly.blogspot.com/2025/07/yes-book-of-pf-4th-edition-is-coming.html is on hackernews: https://news.ycombinator.com/item?id=44657803#bookofpf #pf #packetfilter #openbsd #freebsd #networking (non-tracked: https://nxdomain.no/~peter/yes_the_book_of_pf_4th_ed_is_coming.html)

Today, early access reader feedback for The Book of PF, 4th edition proved to me that early access is worth doing.

Get yours at https://nostarch.com/book-of-pf-4th-edition, or read about the work at https://nxdomain.no/~peter/yes_the_book_of_pf_4th_ed_is_coming.html#bookofpf #newedition #freebsdd #openbsd #pf #packetfilter #networking #security #freesoftware #libresoftware

Today, early access reader feedback for The Book of PF, 4th edition proved to me that early access is worth doing.

Get yours at https://nostarch.com/book-of-pf-4th-edition, or read about the work at https://nxdomain.no/~peter/yes_the_book_of_pf_4th_ed_is_coming.html#bookofpf #newedition #freebsdd #openbsd #pf #packetfilter #networking #security #freesoftware #libresoftware

Fellow network nerds, at EuroBSDcon 2025 in Zagreb, there will be a Network Management with the OpenBSD Packet Filter Toolset" https://events.eurobsdcon.org/2025/talk/FW39CX/ session, a full day tutorial starting at 2025-09-25 10:30 CET. You can register for the conference and tutorial by following the links from the conference Registration and Prices https://2025.eurobsdcon.org/registration.html page. #openbsd #freebsd #networking #security #eurobsdcon #conference #pf #packetfilter #freesoftware #libresoftware #zagreb

Fellow network nerds, at EuroBSDcon 2025 in Zagreb, there will be a Network Management with the OpenBSD Packet Filter Toolset" https://events.eurobsdcon.org/2025/talk/FW39CX/ session, a full day tutorial starting at 2025-09-25 10:30 CET. You can register for the conference and tutorial by following the links from the conference Registration and Prices https://2025.eurobsdcon.org/registration.html page. #openbsd #freebsd #networking #security #eurobsdcon #conference #pf #packetfilter #freesoftware #libresoftware #zagreb

Yes, The Book of PF, 4th Edition Is Coming Soon 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 https://nostarch.com/book-of-pf-4th-edition #openbsd #pf #packetfilter #freebsd #networking #security #tcpip #ipv6 #ipv4#bookofpf

Yes, The Book of PF, 4th Edition Is Coming Soon 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 https://nostarch.com/book-of-pf-4th-edition #openbsd #pf #packetfilter #freebsd #networking #security #tcpip #ipv6 #ipv4#bookofpf

Long rumored, eagerly anticipated by some, you can now PREORDER "The Book of PF, 4th edition" https://nostarch.com/book-of-pf-4th-edition for the most up to date guide to the OpenBSD and FreeBSD networking toolset #openbsd #freebsd #networking #pf #packetfilter #firewall #preorder #security

Long rumored, eagerly anticipated by some, you can now PREORDER "The Book of PF, 4th edition" https://nostarch.com/book-of-pf-4th-edition for the most up to date guide to the OpenBSD and FreeBSD networking toolset #openbsd #freebsd #networking #pf #packetfilter #firewall #preorder #security