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Episode 011: The Gateway Drug

2013-11-13

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Headlines

OpenSSH 6.4 released

  • Security fixes in OpenSSH don't happen very often
  • 6.4 fixes a memory corruption problem, no new features
  • If exploited, this vulnerability might permit code execution with the privileges of the authenticated user and may therefore allow bypassing restricted shell/command configurations.
  • Disabling AES-GCM in the server configuration is a workaround
  • Only affects 6.2 and 6.3 if compiled against a newer OpenSSL (so FreeBSD 9's base OpenSSL is unaffected, for example)
  • Full details here

Getting to know your portmgr-lurkers

  • Next entry in portmgr interview series
  • This time they chat with Mathieu Arnold, one of the portmgr-lurkers we mentioned previously
  • Lots of questions ranging from why he uses BSD to what he had for breakfast
  • Another one was since released, with Antoine Brodin aka antoine@

FUSE in OpenBSD

  • As we glossed over last week, FUSE was recently added to OpenBSD
  • Now the guys from the OpenBSD Journal have tracked down more information
  • This version is released under an ISC license
  • Should be in OpenBSD 5.5, released a little less than 6 months from now
  • Will finally enable things like SSHFS to work in OpenBSD

Automated submission of kernel panic reports

  • New tool from Colin Percival
  • Saves information about kernel panics and emails it to FreeBSD
  • Lets you review before sending so you can edit out any private info
  • Automatically encrypted before being sent
  • FreeBSD never kernel panics so this won't get much use

Interview - Justin Sherrill - justin@dragonflybsd.org / @dragonflybsd

DragonflyBSD 3.6 and the Dragonfly Digest


Tutorial

Building an OpenBSD Router


News Roundup

BSD router project 1.5 released

  • Nice timing for our router tutorial; TBRP is a FreeBSD distribution for installing on a router
  • It's an alternative to pfSense, but not nearly as well known or popular
  • New version is based on 9.2-RELEASE, includes lots of general updates and bugfixes
  • Fits on a 256MB Compact Flash/USB drive

Curve25519 now default key exchange

  • We mentioned in an earlier episode about a patch for curve25519
  • Now it's become the default for key exchange
  • Will probably make its way into OpenSSH 6.5, would've been in 6.4 if we didn't have that security vulnerability
  • It's interesting to see all these big changes in cryptography in OpenBSD lately

FreeBSD kernel selection in boot menu

  • Adds a kernel selection menu to the beastie menu
  • List of kernels is taken from 'kernels' in loader.conf as a space or comma separated list of names to display (up to 9)
  • From our good buddy Devin Teske

PCBSD weekly digest

  • PCDM has officially replaced GDM as the default login manager
  • New ISO build scripts (we got a sneak preview last week)
  • Lots of bug fixes
  • Second set of 10-STABLE ISOs available with new artwork and much more

Theo de Raadt speaking at MUUG

  • Theo will be speaking at Manitoba UNIX User Group in Winnipeg
  • On Friday, Nov 15, 2013 at 5:30PM (see show notes for the address)
  • If you're watching the show live you have time to make plans, if you're watching the downloaded version it might be happening right now!
  • No agenda, but expect some OpenBSD discussion

Feedback/Questions


  • The very extensive written version of today's tutorial, with lots of extras we didn't mention, is posted on bsdnow.tv, as always - give it a read! There are sections about setting up the router to tunnel all (or specific parts of) your traffic through a VPN or Tor, how to make the router automatically check for updates and email them to you, and much more.
  • Send questions, comments, show ideas/topics, etc to feedback@bsdnow.tv
  • We don’t check YouTube comments, JB comments, Reddit, etc. If you want us to see it, send it via email (the preferred way) or Twitter (also acceptable)
  • Watch live Wednesdays at 2:00PM Eastern (19:00 UTC)

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