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thatcks's profile
Chris Siebenmann
Chris Siebenmann
Chris Siebenmann
@thatcks

Chris Siebenmann

@thatcks

That cks. Overcommitted sysadmin, photographer, bicyclist, and other multitudes. I write a lot of words for a programmer.

Joined December 2011
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    Previous Tweet Next Tweet
    Chris Siebenmann ‏@thatcks Feb 7

    This is my sad face when people sing the praises of SSH certificates and a SSH CA as a replacement for personal SSH keypairs.

    8:02 PM - 7 Feb 2016
    0 retweets 0 likes
      1. ∂irac·ẅitch☾˚ ‏@unixwitch Feb 7

        @thatcks Oh? No love for SSH certificates?

        0 retweets 0 likes
      2. Chris Siebenmann ‏@thatcks Feb 7

        @mistofvongola I consider them extremely dangerous because they have the old SSL CA problem: you can never be sure what's been issued.

        0 retweets 0 likes
      3. ∂irac·ẅitch☾˚ ‏@unixwitch Feb 7

        @thatcks They're can be nice in an org (where this can be advertised) and can help when people ignoring host key checks are the norm. :/

        0 retweets 0 likes
      4. View other replies
      5. Chris Siebenmann ‏@thatcks Feb 7

        @mistofvongola It would be neat if you could require both explicitly listed *and* signed by an organizational CA, but I don't think you can.

        0 retweets 0 likes
      6. ∂irac·ẅitch☾˚ ‏@unixwitch Feb 7

        @thatcks Took me a minute to find it in the man page, but I think what you're looking for is AuthorizedPrincipalsFile.

        0 retweets 0 likes
      7. Chris Siebenmann ‏@thatcks Feb 7

        @mistofvongola I don't think that option works for this. I believe principle names aren't SSH key IDs, they're -n key signing arguments.

        0 retweets 0 likes
      8. ∂irac·ẅitch☾˚ ‏@unixwitch Feb 7

        @thatcks Oh yes, you're right. That was my misunderstanding of the manual at a glance. Sorry about that!

        0 retweets 0 likes

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