iptables question

[Margaret Doll]

On Jul 11, 2005, at 5:54 PM, Ernie McCracken wrote:

> On Mon, Jul 11, 2005 at 05:39:36PM -0400, Margaret Doll wrote:
>
>>
>> I have
>>
>>
>> #X11Forwarding no
>> X11Forwarding yes
>> #X11DisplayOffset 10
>>
>> in /etc/ssh/sshd_config
>>
>
> Remember to restart sshd after making changes to the config files.
>
>
>
>>
>> I have the systems names in each of the computers' /etc/hosts files.
>>
>> My session is
>>
>> xhost computer1
>>
>
> This is not necessary.
>
>
>> ssh myaccount/computer1
>>
>
> As Scot mentioned, use ssh -Y or ssh -X.  See "man ssh" to see why - 
> Y is
> preferred.
>
>
>> export DISPLAY=computer2:0
>>
>
> This step is not necessary since the X11 tunnelling should be taken  
> care
> of for you.
>
> Do "echo $DISPLAY" to see what it is set to.
>
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Although /etc/ssh/sshd_config had been configured previously with
>> X11Forwarding yes
I restarted sshd and network on both computers.

I tried

ssh -Y user at computer1

but the current openssh on the systems did not support the "Y" option.

I tried ssh -x user at computer1
export DISPLAY=computer2:0

"printenv DISPLAY" comes back with computer2:0 and the error message
when I try graphic software across the network says  that it can't  
display
on computer2:0.

Both computers are running 2.6.10-1.770_FC2, openssh-server-3.6.1p2-34
and openssh-3.6.1p2-34

The /etc/hosts tables on both computers are correct.  I manage the  
nametables
for the network as well and the entries in the nametables are correct.

>