Peter N. M. Hansteen (@pitrh@mastodon.social)

OpenBSD -current moves to 7.9-beta www.undeadly.org/cgi?action=a... #openbsd #current #79beta #development #testing #freesoftware #libresoftware

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

Major update to drm(4) code in OpenBSD-current (to linux 6.18.16) undeadly.org/cgi?action=a... #openbsd #current #drm #directrenderingmanager #graphics #development #freesoftware #libresoftware

The Book of PF, 4th Edition: It’s Here, It’s Real © 2026 Peter N. M. Hansteen

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 Spotted in the Wild undeadly.org/cgi?action=a... #openbsd #freebsd #pf #packetfilter #networking #security #networktrickery #freesoftware #libresoftware

Submit to #eurobsdcon by June 20th, come to Brussels September 9-13 and mingle with #BSD people!

2026.eurobsdcon.org/cfp/

We offer pre-submission guidance/mentoring

Also see nxdomain.no/~peter/what_...

#freebsd #netbsd #openbsd #freesoftware #libresoftware #brussels #bruxelles

OpenBSD on SGI: a rollercoaster story, as told by miod@ undeadly.org/cgi?action=a... #openbsd #sgi #silicongraphics #development #hacking #freesoftware #libresoftware

The #eurobsdcon 2026 Call for Papers is open!

2026.eurobsdcon.org/cfp/

Submit by June 20th, come to Brussels September 9-13!

Pre-submission guidance/mentoring available

Also see nxdomain.no/~peter/what_...

#freebsd #netbsd #openbsd #freesoftware #libresoftware #brussels #bruxelles

The #eurobsdcon call for papers is on!

2026.eurobsdcon.org/cfp/

We offer pre-submission mentoring, see within!

@EuroBSDCon@bsd.network #freebsd #netbsd #openbsd #freesoftware #libresoftware #brussels #bruxelles

Conferences: #asiabsdcon is only a couple of weeks away, the call for papers for #eurobsdcon starts tomorrow, #BSDCan is in June.

Read more via "What is BSD? Come to a conference to find out!" nxdomain.no/~peter/what_... #openbsd #netbsd #freebsd #freesoftware #development #networking #security

tmppath promise removed from pledge(2) in -current www.undeadly.org/cgi?action=a... #openbsd #pledge #tmppath #development #programming #security #securesystems #freesoftware #libresoftware

Another subprocess for vmd(8) www.undeadly.org/cgi?action=a... #openbsd #vmd #virtualization #virtio

Game of Trees 0.123 released www.undeadly.org/cgi?action=a... #openbsd #gameoftrees #got #git #gothub #development #programming #versioncontrol #sourcecontrol

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

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

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

If you have not yet been to a regional #BSD conference, I would recommend you consider going to one.

More in "What is BSD? Come to a conference to find out!" nxdomain.no/~peter/what_... (G-tracked bsdly.blogspot.com/2025/11/what...).
#openbsd #netbsd #freebsd #asiabsdcon #bsdcan #eurobsdcon

bsd.rd breakdown www.undeadly.org/cgi?action=a... #openbsd #bsd.rd #ramdisk #installer #deepdive #opensource #libresoftware #freesoftware #development #booting

Game of Trees 0.122 released www.undeadly.org/cgi?action=a... #openbsd #got #git #gameoftrees #versioncontrol #development #freesoftware #libresoftware

Valuable News – 2026/02/09 The Valuable News weekly series is dedicated to provide summary about news, articles and other interesting stuff mostly but not always related to the UNIX/BSD/Linux systems. Whenever I stumble upon…

The latest Valuable News by @vermaden.bsky.social vermaden.wordpress.com/2026/02/09/v... notes that The Book of PF, 4th edition nostarch.com/book-of-pf-4... has been released #bookofpf #openbsd #freebsd #networking #pf @nostarchpress.bsky.social

Registration for BSDCan 2026 is open at www.bsdcan.org/2026/registr... + tutorial schedule published.

#bsdcan #freebsd #openbsd #netbsd #development #networking #devops #sysadmin #conferences

Also see nxdomain.no/~peter/what_... (or bsdly.blogspot.com/2025/11/what... +
medium.com/@peter.hanst...)

"The Rest Is Trash"
We are now halfway through the nineteenth year of greytrapping, still tracking and collecting from the wealth of imbecility out there
nxdomain.no/~peter/the_r... bsdly.blogspot.com/2026/02/the-... #spamd #greytrapping #greylisting #openbsd #freebsd #spam #antispam #cybercrime

Registration for BSDCan 2026 is now open www.bsdcan.org/2026/registr... and tutorials schedule is published.

#bsdcan #openbsd #netbsd #freebsd #libresoftware #freesoftware #conference #development #networking #sysadmin #devops

Reprising for the midweek crowd:

The Rest Is Trash nxdomain.no/~peter/the_r... (tracked bsdly.blogspot.com/2026/02/the-...) following up on #greytrapping, updating the 18 years piece nxdomain.no/~peter/eight... #openbsd #spamd #greytrappng #greylisting #antispam #cybercrime #networking #spam

The Rest Is Trash nxdomain.no/~peter/the_r... (tracked bsdly.blogspot.com/2026/02/the-...) following up on #greytrapping, updating the 18 years piece nxdomain.no/~peter/eight... #openbsd #spamd #greytrappng #greylisting #antispam #cybercrime #networking # spam

Game of Trees 0.121 released www.undeadly.org/cgi?action=a... #openbsd #gameoftrees #got #git #development #sourcecontrol #versioncontrol #freesoftware #libresoftware

Do you want to go to EuroBSDCon 2026.eurobsdcon.org but need support to do so?

Or do you know someone in that situation? Apply for the Paul Schenkeveld Travel Grant before February 1st, 2026!

eurobsdconfoundation.org/travel-grant...

#eurobsdcon #netbsd #openbsd #freebsd #conference #travelgrant

Greytrapping for years FreeBSD's Future, 18 years of greytrapping, PF vs Linux firewalls, and more.

I was pleasantly surprised to hear that the latest BSDnow www.bsdnow.tv/648 features my "Eighteen years of greytrapping ..." nxdomain.no/~peter/eight... as well as the BSDCan www.bsdcan.org/2026/ organizer interview #bsdcan #bsdnow #freebsd #openbsd #greytrapping