bug or feature with ssh-keygen and user CAs?

Damien Miller djm at mindrot.org
Thu May 8 14:48:13 EST 2014

On Wed, 7 May 2014, Mattias Lindgren wrote:

> Every once in a while I?ll rebuild a box in my environment, and the
> ssh key will change. To clean up my known_hosts file to allow me to
> re-insert the new entry, I will do ssh-keygen -R <ip>. This has the
> unintended consequence of matching on the offending entry in the
> known_hosts file *and* my cert-authority entry:
> $ ssh-keygen -R
> # Host found: line 1 type RSA
> # Host found: line 512 type ECDSA
> /Users/mlindgren/.ssh/known_hosts updated.
> Original contents retained as /Users/mlindgren/.ssh/known_hosts.old
> Am I missing something fundamental here?

No, that's a bug. Could you file it at https://bugzilla.mindrot.org/ ?


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