In case you missed it earlier,
The Book of PF, 4th Edition: It's Here, It's Real nxdomain.no/~peter/its_r...
And I will have copies with me to upcoming events #openbsd #freebsd #bsd #pf #packetfilter #bookofpf #4thedition #asiabsdcon #bsdcan #eurobsdcon
In case you missed it earlier,
The Book of PF, 4th Edition: It's Here, It's Real https://nxdomain.no/~peter/its_real_its_here.html
And I will have copies with me to upcoming events #openbsd #freebsd #bsd #pf #packetfilter #bookofpf #4thedition #asiabsdcon #bsdcan #eurobsdcon
PF queues break the 4 Gbps barrier www.undeadly.org/cgi?action=a... #openbsd #pf #queues #packetfilter #trafficshaping #4gigbarrier #morebandwidth #fasterpackets #networking
PF queues break the 4 Gbps barrier www.undeadly.org/cgi #openbsd #pf #queues #packetfilter #trafficshaping #4gigbarrier #morebandwidth #fasterpackets #networking
Happy PF tutorial at #asiabsdcon 2026 day to all who celebrate!
2026.asiabsdcon.org/entry/talk/Z...
Slides are available as nxdomain.no/~peter/pf_fu...
#freebsd #openbsd #pf #networking #packetfilter
Happy PF tutorial at #asiabsdcon 2026 day to all who celebrate!
https://2026.asiabsdcon.org/entry/talk/ZUQPMV/
Slides are available as https://nxdomain.no/~peter/pf_fullday.pdf
#freebsd #openbsd #pf #networking #packetfilter
The Book of PF, 4th Edition: It's Here, It's Real nxdomain.no/~peter/its_r... - now that I have physical copies, I'll bring some to the upcoming conferences such as #asiabsdcon #bsdcan #eurobsdcon #freebsd #openbsd #pf #packetfilter #networking #networktrickery #freesoftware #libresoftware #bookofpf
The Book of PF, 4th Edition: It's Here, It's Real https://nxdomain.no/~peter/its_real_its_here.html - now that I have physical copies, I'll bring some to the upcoming conferences such as #asiabsdcon #bsdcan #eurobsdcon #freebsd #openbsd #pf #packetfilter #networking #networktrickery […]
The Book of PF, 4th Edition: It's Here, It's Real medium.com/@peter.hanst... #bookofpf #openbsd #freebsd #pf #packetfilter #networking #firewall #networktrickery @nostarchpress.bsky.social
The Book of PF, 4th Edition: It's Here, It's Real nxdomain.no/~peter/its_r... #openbsd #freebsd #pf #packetfilter #networking #firewall #networktrickery #security #freesoftware #libresoftware @nostarchpress.bsky.social
The Book of PF, 4th Edition: It's Here, It's Real nxdomain.no/~peter/its_r... #openbsd #freebsd #pf #packetfilter #networking #firewall #networktrickery #security #freesoftware #libresoftware
The Book of PF, 4th Edition: It's Here, It's Real https://nxdomain.no/~peter/its_real_its_here.html #openbsd #freebsd #pf #packetfilter #networking #firewall #networktrickery #security #freesoftware #libresoftware
The Book of PF, 4th Edition Spotted in the Wild undeadly.org/cgi?action=a... #openbsd #freebsd #pf #packetfilter #networking #security #networktrickery #freesoftware #libresoftware
The Book of PF, 4th Edition Spotted in the Wild undeadly.org/cgi #openbsd #freebsd #pf #packetfilter #networking #security #networktrickery #freesoftware #libresoftware
Yes, You Too Can Be An Evil Network Overlord - On The Cheap With OpenBSD, pflow And nfsen nxdomain.no/~peter/yes_y...
About network metadata and #openbsd. Also see The Book of PF #nfsen #netflow #pflow #monitoring #networking #security #pf #packetfilter @nostarchpress.bsky.social
Yes, You Too Can Be An Evil Network Overlord - On The Cheap With OpenBSD, pflow And nfsen nxdomain.no/~peter/yes_you_too_can_b...
A story about network metadata and #openbsd, originally from 2014, good for reprising. See The Book of PF for more #nfsen #netflow […]
Friends, is this nxdomain.no/~peter/20260... what a successful campaign looks like?
(also see nxdomain.no/~peter/eight... or for that matter nostarch.com/book-of-pf-4e) @nostarchpress.bsky.social #greyptrapping #spam #spamd #pf #packetfilter #greylisting #email #cybercrime #marketing #scams
Friends, is this nxdomain.no/~peter/20260224_smtp_bla... what a successful campaign looks like?
(also see nxdomain.no/~peter/eighteen_years_of... or for that matter https://nostarch.com/book-of-pf-4e @nostarch #greyptrapping #spam #spamd […]
A mention elsewhere of the insufferable ssh password guessers has me reprise my "The Hail Mary Cloud and the Lessons Learned" nxdomain.no/~peter/hailm... piece #ssh #passwords #passwordguessing #passwordgroping #endlessh #openbsd #freebsd #pf #packetfilter #security #cybercrime
A mention elsewhere of the insufferable ssh password guessers has me reprise my "The Hail Mary Cloud and the Lessons Learned" nxdomain.no/~peter/hailmary_lessons_... piece, with a not added at the end about endlessh as a possible refinement (yes, I use it) #ssh #passwords […]
The fresh 4th edition of The Book of PF in physical form has reached Europe (Ireland), www.linkedin.com/posts/tomsmythconnect_th... - so my stack of author copies are hopefully on the way too.
The book home page is at […]
Upcoming "Network Management with the OpenBSD Packet Filter Toolset" tutorials (covering #freebsd and #openbsd):
2026-03-19 AsiaBSDCob https://www.asiabsdcon.org
2026-06-18 BSDCan https://www.bsdcan.org
See nxdomain.no/~peter/pf_tutorial_upcom... ( […]
This year's first "Network Management with the OpenBSD PF Toolset" session will be at AsiaBSDCon 2026 2026.asiabsdcon.org/index.html.en, 2026.asiabsdcon.org/entry/talk/Z...
Also see nxdomain.no/~peter/what_... #asiabsdcon #freebsd #openbsd #pf #packetfilter #networking #conference @nostarch
pf: make af-to less magical undeadly.org/cgi?action=a... #openbsd #pf #packetfilter #ipv6 #ipv4 #afto #addressfamilytranslation #nat64 #networking #current #developement
pf: make af-to less magical undeadly.org/cgi #openbsd #pf #packetfilter #ipv6 #ipv4 #afto #addressfamilytranslation #nat64 #networking #current #developement
The recording from NYC*BUG Saturday January 10th, 2026 session "The Book of PF 4th ed + EU CRA: It's time to Engineer up" is now available:
Youtube: youtu.be/HOCsvcCm1Ec
Peertube: toobnix.org/w/bQPtKXKqJM...
#bookofpf #OpenBSD #freebsd #packetfilter #CRA #SBOMS #dependency #supplychain #security
There will be a "Network Management with the OpenBSD Packet Filter Toolset" at #AsiaBSDCon in Taipei Thursday, March 19 2026.
Details soon to emerge at 2026.asiabsdcon.org #asiabsdcon #freebsd #openbsd #networking #conference #tutorial #pf #packetfilter #freesofware #libresoftware
The latest Valuable News by @vermaden vermaden.wordpress.com/2025/12/08/v... notes that The Book of PF, 4th edition is coming soon (also nxdomain.no/~peter/yes_t..., bsdly.blogspot.com/2025/07/yes-...) @nostarch #freebsd #openbsd #pf #packetfilter #bookofpf #4thedition
Source and state limiters introduced in pf www.undeadly.org/cgi?action=a... #openbsd #pf #networking #statelimiters #sourcelimiters #statetracking #packetfilter #security #freesoftware #libressoftware
Source and state limiters introduced in pf
www.undeadly.org/cgi #openbsd #pf #networking #statelimiters #sourcelimiters #statetracking #packetfilter #security #freesoftware #libressoftware
"This change has our resident packet manglers quite excited […]
