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Episode 032: PXE Dust


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FreeBSD ASLR status update

  • Shawn Webb gives us a little update on his address space layout randomization work for FreeBSD
  • He's implemented execbase randomization for position-independent executables (which OpenBSD also just enabled globally in 5.5 on i386)
  • Work has also started on testing ASLR on ARM, using a Raspberry Pi
  • He's giving a presentation at BSDCan this year about his ASLR work
  • While we're on the topic of BSDCan...

BSDCan tutorials, improving the experience

  • Peter Hansteen writes a new blog post about his upcoming BSDCan tutorials
  • The tutorials are called "Building the network you need with PF, the OpenBSD packet filter" and "Transitioning to OpenBSD 5.5" - both scheduled to last three hours each
  • He's requesting anyone that'll be there to go ahead and contact him, telling him exactly what you'd like to learn
  • There's also a bit of background information about the tutorials and how he's looking to improve them
  • If you're interested in OpenBSD and going to BSDCan this year, hit him up

pkgsrc-2014Q1 released

  • The new stable branch of pkgsrc packages has been built and is ready
  • Python 3.3 is now a "first class citizen" in pkgsrc
  • 14255 packages for NetBSD-current/x8664, 11233 binary packages built with clang for FreeBSD 10/x8664
  • There's a new release every three months, and remember pkgsrc works on MANY operating systems, not just NetBSD - you could even use pkgsrc instead of pkgng or ports if you were so inclined
  • They're also looking into signing packages

Only two holes in a heck of a long time, who cares?

  • A particularly vocal Debian user, a lost soul, somehow finds his way to the misc@ OpenBSD mailing list
  • He questions "what's the big deal" about OpenBSD's slogan being "Only two remote holes in the default install, in a heck of a long time!"
  • Luckily, the community and Theo set the record straight about why you should care about this
  • Running insecure applications on OpenBSD is actually more secure than running them on other systems, due to things like ASLR, PIE and all the security features of OpenBSD
  • It spawned a discussion about ease of management and Linux's poor security record, definitely worth reading

Interview - Dru Lavigne - / @bsdevents

FreeBSD's documentation printing, documentation springs, various topics


Automatic, unattended OpenBSD installs with PXE

News Roundup

pfSense 2.1.1 released

  • A new version of pfSense is released, mainly to fix some security issues
  • Tracking some recent FreeBSD advisories, pfSense usually only applies the ones that would matter on a firewall or router
  • There are also some NIC driver updates and other things
  • Of course if you want to learn more about pfSense, watch episode 25
  • 2.1.2 is already up for testing too

FreeBSD gets UEFI support

  • It looks like FreeBSD's battle with UEFI may be coming to a close?
  • Ed Maste committed a giant list of patches to enable UEFI support on x86_64
  • Look through the list to see all the details and information
  • Thanks FreeBSD foundation!

Ideas for the next DragonflyBSD release

  • Mr. Dragonfly release engineer himself, Justin Sherrill posts some of his ideas for the upcoming release
  • They're aiming for late May for the next version
  • Ideas include better support for running in a VM, pkgng fixes, documentation updates and PAM support
  • Gasp, they're even considering dropping i386

PCBSD weekly digest

  • Lots of new PBI updates for 10.0, new runtime implementation
  • New support for running 32 bit applications in PBI runtime
  • New default CD and DVD player, umplayer
  • Latest GNOME 3 and Cinnamon merged, new edge package builds


  • All the tutorials are posted in their entirety at
  • Send questions, comments, show ideas/topics, or stories you want mentioned on the show to
  • If you've got something cool to talk about and want to come on for an interview, shoot us an email
  • Also if you have any tutorial requests, we'd be glad to show whatever the viewers want to see
  • Watch live Wednesdays at 2:00PM Eastern (18:00 UTC)
  • Just a quick reminder: If you're running OpenSSL 1.0.1 through 1.0.1f please update it and regenerate, rotate and revoke your keys if you run a server with HTTPS, IMAPS, etc - huge security hole! (Also DES offers some insight on the FreeBSD security process)
  • We're lucky it wasn't OpenSSH

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