Dan does some sleuthing & finds that the story of a major data leak isn’t quite what it seems, then a new Talos report that shows a large number of unpatched & unprotected memcached servers. We discuss just how bad that might be. Plus, between some excellent feedback & Dan’s recent adventures, we’ve got a itty bitty ZFS deep dive.

And of course your feedback, a fantastic round-up & so much more on this week’s episode of TechSNAP.

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Show Notes:

Mandiant researcher doxed by hackers

70,000 Memcached Servers Can Be Hacked Using Eight-Month-Old Flaws

  • Original Talos blog post

  • Background: January 2017, a series of Mongodb incidents wherein multiple competing groups were attacking the same servers which leads to the conclusion that there is no hope of actually recovering data, if there ever was in the first place.

  • This prompted Talos to investigate memcached

Dan talks about upgrading ZFS arrays

  • raidz arrays cannot be expanded. You have n devices; it stays N devices

  • you can replace devices

  • you can replace devices with bigger devices

  • once they area all replaced, BANG, you have more space

  • what options exist for replacing devices?

  • Pull a drive, insert a new one, issue the zfs replace command.

  • Insert a new drive, if you have space, issue the zfs replace command.

  • But then Dan had a great idea the other night….


Round Up:

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