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ssh_authorized_keys can be owned by anyone.

Think of how git works. The file is owned by git/gitosis/whatever, but you log 
in as yourself. This is the whole point of ssh_authorized_keys and one
way that it can be abused.

In my tests, SSH doesn't care one way or the other who it's owned by so long as 
it's not world writable.

Trevor

On 08/30/2011 06:27 PM, Kelsey Hightower wrote:
> One use case where it may not be desirable to have users own the keys
> is in centralized ssh key setups backed by LDAP and PAM
> authentication. In this specific case all keys are stored in a central
> location such as /etc/ssh-public-keys/*.pub. The keys are only read by
> PAM (root) during the authentication phase.
> 

- -- 
Trevor Vaughan
 Vice President, Onyx Point, Inc.
 email: tvaug...@onyxpoint.com
 phone: 410-541-ONYX (6699)
 pgp: 0x6C701E94

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