Re: [gentoo-user] Re: X-forwarding fails with "Invalid MIT-MAGIC-COOKIE-1 key"

[Grant <emailgrant@gmail.com>]

>>> $ ssh -Y 192.168.10.1
>>> The authenticity of host '192.168.10.1 (192.168.10.1)' can't be
>>> established. RSA key fingerprint is.
>>> Are you sure you want to continue connecting (yes/no)? yes
>>> Failed to add the host to the list of known hosts
>>> (/home/grant/.ssh/known_hosts).
>>
>> I think the problem is here: too strict permissions in ~/.ssh preventing
>> ssh to update known_hosts list, needed to continue connection. it
>> should be 700 for the .ssh directory and 600 for the file known_hosts.
>>
>> What is the output of: ls -l .ssh -d ? And ls -l .ssh ?
>> Is 192.168.10.1 in your known_hosts?
>> With the right RSA key?
>>
>> Ciao
>>        Francesco
>
> Thanks again everyone, it's working after a reboot.  X has been
> strange since the xorg-1.5 upgrade.  I noticed that ssh -X fails with
> the same error message I've been getting, but ssh -Y succeeds.  man
> ssh says:
>
> -Y   Enables trusted X11 forwarding.  Trusted X11 forwardings are not
> subjected to the X11 SECURITY extension controls.
>
> Security extension controls sounds like a good thing.  Does anyone
> know why -X isn't working?
>
> - Grant

I should also add that the following doesn't seem to be necessary on the client:

/etc/ssh/ssh_config:
Host *
ForwardAgent yes
ForwardX11 yes

- Grant