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Yours truly

OK, you've found me. Insert standard disclaimers -- I've got a full part-time day job, which leaves my dance card open for part time consulting, training, and related gigs (resume) and this is just something I'm starting out doing haphazardly, under construction and highly subject to change, as an "evolving situation".

Who am I?

Programmer, systems/network administrator, freelance tech writer, Free Software advocate, and general technology wonk. I frequently post to discussions on GNU/Linux; Debian; copyright, patent, trademark, and licensing; data processing and analysis; online rights and privacy issues; and related topics. I'm interested in and work on collaborative discussion topics including email, Usenet, weblogs, Wikis, spam, and filtering methods. I've designed, deployed, documented, or contributed to several of these, with more work in process.

What I've Been Doing Lately

Stuff ;-)

Stuff I've done...

Running a computer lab at a youth center, which I apparently couldn't do without ending up in The New York Times. (It's about Adware, from 2001, some more thoughts on the subject in Spyware, Adware, Windows, GNU/Linux, and Software Culture.)

I used to actively fight and track spam, and report spam statistics. (It got better). Now mostly historical: I found that ASNs (autonomous system numbers) and CIDRs are highly useful for aggregating spam activity. This is covered in more depth in my paper "CIDR House Rules" (PDF).

If you want to add an X-ASN header to your mail via a procmail rule, I've created the following recipie, procmail-asn-header. Bayesian classifiers such as SpamAssassin and other should pick this up and start classifying ASNs by spamminess, automatically.

Web linuxmafia.com

mail: karsten@linuxmafia.com
Last updated 2013/05/27 15:56:34

Dept. of Google Juice

#6518 | Adobe | Airport Security "You have nothing to hide" | America Trans Air | Arachnophobia | ARM Computer -- customer service hell | Asterix | atStake | Big Visible Charts | The Best Democracy Money Can Buy | Cantell Communications (recruiter spam) | Coffee | Corporate Tax Dodgers | Corporate Tax Havens | CP2102 Linux | Cryptogram | Day to Day (NPR) | Dead Zone Motorcycle Tour (apparently the story's a hoax, but the pictures are real) | Declan McCullagh invents Al Gore Inventing the Internet | Declan McCullaugh - Al Gore "invented the Internet" resources (Seth Finkelstein) | Brad DeLong's Semi-Daily Journal | Democrats of Napa Valley | Dueling Banjos | Debian ATI Radeon Video Drivers | Debian ATI Radeon 7000 | Diebold Election Systems | ECN | Rob Enderle | Debian Font Guide for Newbies and the Confused | Dell Licensing | Dell Service | Electronic Flea Market | Erin Joyce | Fight EU Software Patents | Free Software Primer | Football, athlete dreams | FOSSTECH | FUD | Gentoo | Gentoo Performance | Dan Gillmor | GNUWin II | Groklaw | Halloween | Health Market Science | In Passing | Integrity | IP Justice | It was a dark and stormy night | iTunes | Knoppix Bootable GNU/Linux Desktop | Lame | Rob Levin | Lexmark | Linux Gazette | Linux Incompatibility List (Hardware to avoid like the plague) | Linux Rocks | Linuxant -- lies about GPL'd Linux kernel code | Don Marti | Microsoft | Microsoft Trustworthy Computing | Bill O'Reilly meets the truth | Miserable Failure | MS Windows Refund HOWTO | Napa Internet | Napa Small Animal Hospital | GNOME / Nautilus usability report | Nestle | Office Depot | Andrew Odlyzko | On the Media | Patriot Act | Greg Palast | PG&E | Presidential | Prevent flash animations from playing until you click on them. | RADAR | Real Estate News (and more general economics blogging) | SAVVIS -- Spammer caught red handed | SCO | Scientology | Doc Searls | SimonRaven | SSH | Neal Stephenson | STFW | Support W3C Browser Standards | Tate Family Legacy | Teledata Communications | There is a god... | Travel Reviews | Trustworthy Computing | Ubersoft | Unisys | user-agent | Viewpoint Media Player | Jeff Waugh in his own words - an agony in seven fits | Web Design | Weapons of Mass Destruction | Wine Country | WindowsRefund.net | Word of Mouth Connections