Bad ownership of /?

[Damien Miller]

On Fri, 16 Jan 2009, Kārlis Repsons wrote:

> Hello,
> this is one more unfortunate case, when I run into problems with some 
> non-standard configuration: if authorized keys file for user %u is /keys/%u 
> or /keys/%u/.ssh/authorized_keys, I receive an error: 
> sshd: Authentication refused: bad ownership or modes for directory /
> !
> 
> Whats the cure? I can't keep those files into /home easily...

What *are* the permissions on /?