Hackers' Pub

Syntax	Description	Examples
`"` keyword `"`	Finds the string within quotes, including spaces. Case-insensitive. (Escape quotes inside with `\"`)	`"Hackers' Pub"`
`from:` handle	Finds content written by the specified user.	`from:hongminhee` `from:hongminhee@hollo.social`
`lang:` ISO 639-1	Finds content written in the specified language.	`lang:en`
`#` tag	Finds content with the specified tag. Case-insensitive.	`#HackersPub`
condition condition	Finds content that satisfies both conditions on either side of the space (logical AND).	`"Hackers' Pub" lang:en`
condition `OR` condition	Finds content that satisfies at least one of the conditions on either side of the OR operator (logical OR).	`#HackersPub OR "Hackers' Pub" lang:en`
`(` condition `)`	Combines the operators within the parentheses first.	`(#HackersPub OR "Hackers' Pub" OR "Hackers Pub") lang:en`

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

2/13/2026, 8:29:34 AM

Public

The fresh 4th edition of The Book of PF in physical form has reached Europe (Ireland), https://www.linkedin.com/posts/tomsmythconnect_thebookofpf-openbsd-packetfilter-activity-7427686906349555713-7s4w - so my stack of author copies are hopefully on the way too.

The book home page is at https://nostarch.com/book-of-pf-4th-edition

Some background https://nxdomain.no/~peter/yes_the_book_of_pf_4th_ed_is_coming.html @nostarchNo Starch Press #bookofpf #openbsd #freebsd #pf #packetfilter #networking #security

#thebookofpf #openbsd #packetfilter #runbsd | Tom Smyth

Peter Hansteen thank you for all your work in authoring the book of pf 4th edition ( and all the other additions) my New copy of #TheBookOfPF arrived today if you want to understand firwalls and want to run a very reliable opensource firewall that supports clustering with session state failover this book is for you #OpenBSD #PacketFilter #RunBSD

www.linkedin.com

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