[X2Go-User] Login via ~/.ssh/authorized_keys fails

[Mike Gabriel]

Hi Matthias,

On Mo 26 Aug 2013 23:54:55 CEST Matthias Kauer wrote:

> Hi,
> I am looking for input on how to set up an ssh key-based authentication.
>
> I generated an RSA key pair with puttygen and added it to
> ~/.ssh/authorized_keys2 => confirmed that I can login with putty.
> Now, I specify the same private key in x2goclient (windows). I enter my
> password and I am then prompted for the password of the ssh key. I enter
> it and the same ssh key password prompt reappears. This seems to be an
> infinite loop. When I cancel it, I get a message saying that only
> publickey is supported as login method (which corresponds to my
> sshd_config settings).
>
> I then tried renaming ~/.ssh/authorized_keys and using a DSA key pair.
> putty still works as expected with both of these alternatives.
> x2goclient still shows the same problems however. It only lets me login
> if I adapt my sshd_config and authenticate via user / password combination.
>
> Is this a known limitation?
> What is the best way to achieve high security? Can I limit the x2go
> connections to only LAN IPs (without restricting the pure ssh connections)?

I have just forwarded this issue to our bug tracker. I have observed  
similar irregularities that desperately need a fix.

Mike


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