Peter N. M. Hansteen

@pitrh
2.8K Followers
2.9K Following
5.8K Posts

Occasional rants about IT with an OpenBSD slant at http://bsdly.blogspot.com

If you're new to the fediverse or Mastodon, please take a peek at https://fedi.tips/ for tips on fediverse netizenship.

Bloghttps://bsdly.blogspot.com
The greytrap blocklist explainedhttps://nxdomain.no/~peter/nameandshame.html
The Book of PF (4th ed preorder)https://nostarch.com/book-of-pf-4th-edition
Open Source in Enterprise environmentshttps://www.nxdomain.no/~peter/opensource_enterprise_notes.html
Another .cn domain name scammer turned up today, much like the previous ones described in "Domain Name Scams Are Alive And Well, Thank You" https://nxdomain.no/~peter/domain_name_scams_are_alive_and_well_thank_you.html and an entry was added to the archive at https://nxdomain.no/~peter/domainnamescam/ #cndomains #domainnamescam #chinanetdomains
Domain Name Scams Are Alive And Well, Thank You

@unruhe @acirep you can go straight to the source https://nostarch.com/book-of-pf-4e, or by now well stocked book stores should have it
The Book of PF, 4th Edition

Build a more secure network with PF.

I'm assured by OpenBSD developers that any fdisk should suffice for any operating system. Having been repeatedly savaged by buggy fdisk programs, I find myself unable to give you carte blanche to try this.

@danslimmon I personally find that greylisting + greytrapping removes the obvious ones, and saves a lot of electricity plus wear and tear on the poor servers doing content and header filtering.

My greytrapping and misc retrospective is hopefully useful to others too: Eighteen Years of Greytrapping - Is the Weirdness Finally Paying Off? https://nxdomain.no/~peter/eighteen_years_of_greytrapping.html - with references at the end.

Eighteen Years of Greytrapping - Is the Weirdness Finally Paying Off?

From The Twelve Networking Truths, RFC1925, 2.3: "With sufficient thrust, pigs fly just fine."

#RFC #IETF #Internet #Standards

A policeman stopped me, and yelled "papers". I shouted "Scissors!", and continued walking.

The FreeBSD Foundation is now accepting travel grant applications for BSDCan 2026 / FreeBSD Dev Summit, taking place June 17–20, 2026, in Ottawa, Ontario, Canada.

📅 Application deadline: April 23, 2026

We encourage eligible community members to apply.

Learn more about eligibility requirements and how to submit your application:
https://freebsdfoundation.org/our-work/grants/travel-grants/

#FreeBSD #BSDCan2026 #OpenSource #FreeBSDFoundation #CommunitySupport

The European BSD conference, EuroBSDcon 2026 will be in Brussels, 9-13 September 2026.

You can send your talk, tutorial, BOF or other session submission to our program committee before June 20th, see https://2026.eurobsdcon.org/cfp/

For more about the BSD conferences, see https://nxdomain.no/~peter/what_is_bsd_come_to_a_conference_to_find_out.html #freebsd #netbsd #openbsd #freesoftware #libresoftware #development #programming #devops #bsd #conference @EuroBSDCon

EuroBSDCon 2026

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 @nostarch

The Book of PF, 4th Edition: It's Here, It's Real

@afewbugs 'Tis the season