Re: X11 Forwarding with Lenny?

2008-11-30 Thread swm38 swm38
2008/11/30, Frederik Kriewitz <[EMAIL PROTECTED]>:
> You might have a problem with your DNS config too.

That was the problem...


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Re: X11 Forwarding with Lenny?

2008-11-30 Thread Frederik Kriewitz
You might have a problem with your DNS config too.

On Thu, Nov 20, 2008 at 10:05 PM, swm38 swm38 <[EMAIL PROTECTED]> wrote:
> $ echo $DISPLAY
> localhost:10.0

Try "DISPLAY=127.0.0.1:10.0" and make sure localhost resolves too 127.0.0.1.


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Re: X11 Forwarding with Lenny?

2008-11-29 Thread Florian Kulzer
On Sat, Nov 29, 2008 at 21:37:03 +0100, swm38 swm38 wrote:
> 2008/11/29, Florian Kulzer:
> > Post the output of the following two commands when run on the SSH server
> > (the intended X client):
> >
> > apt-cache policy xbase-clients xauth
> xbase-clients:
>   Installed: 1:7.3+18

[...]

> xauth:
>   Installed: 1:1.0.3-2

These should be OK.

> > grep -Ev '^(#|$)' /etc/ssh/sshd_config
> Port 22
> Protocol 2
> HostKey /etc/ssh/ssh_host_rsa_key
> HostKey /etc/ssh/ssh_host_dsa_key
> UsePrivilegeSeparation yes
> KeyRegenerationInterval 3600
> ServerKeyBits 768
> SyslogFacility AUTH
> LogLevel INFO
> LoginGraceTime 120
> PermitRootLogin yes
> StrictModes yes
> RSAAuthentication yes
> PubkeyAuthentication yes
> IgnoreRhosts yes
> RhostsRSAAuthentication no
> HostbasedAuthentication no
> PermitEmptyPasswords no
> ChallengeResponseAuthentication no
> X11Forwarding yes
> X11DisplayOffset 10
> PrintMotd no
> PrintLastLog yes
> TCPKeepAlive yes
> AcceptEnv LANG LC_*
> Subsystem sftp /usr/lib/openssh/sftp-server
> UsePAM yes

I have the same configuration for all the relevant (as far as I know)
parameters. I have set "AllowTcpForwarding yes", but that should be the
default anyway.

> It's the exact same output for both systems, but X11 forwarding works
> only in one direction.

Then I think we should check the client configurations to rule out that
a setting in /etc/ssh/ssh_config or ~/.ssh/config interferes with the X
forwarding. Are these two files the same on the working and the
non-working SSH client system?

Did you make any changes to the basic X configuration on either of the
systems?

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Re: X11 Forwarding with Lenny?

2008-11-29 Thread Rob Starling
On Sat, Nov 29, 2008 at 09:37:03PM +0100, swm38 swm38 wrote:
> It's the exact same output for both systems, but X11 forwarding works
> only in one direction.

does the output of "ssh -Xvv ..." in each direction differ in
an interesting way?

--Rob*

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Re: X11 Forwarding with Lenny?

2008-11-29 Thread swm38 swm38
2008/11/29, Florian Kulzer <[EMAIL PROTECTED]>:
> Post the output of the following two commands when run on the SSH server
> (the intended X client):
>
> apt-cache policy xbase-clients xauth
xbase-clients:
  Installed: 1:7.3+18
  Candidate: 1:7.3+18
  Version table:
 *** 1:7.3+18 0
500 http://130.83.2.34 lenny/main Packages
100 /var/lib/dpkg/status
xauth:
  Installed: 1:1.0.3-2
  Candidate: 1:1.0.3-2
  Version table:
 *** 1:1.0.3-2 0
500 http://130.83.2.34 lenny/main Packages
100 /var/lib/dpkg/status


> grep -Ev '^(#|$)' /etc/ssh/sshd_config
Port 22
Protocol 2
HostKey /etc/ssh/ssh_host_rsa_key
HostKey /etc/ssh/ssh_host_dsa_key
UsePrivilegeSeparation yes
KeyRegenerationInterval 3600
ServerKeyBits 768
SyslogFacility AUTH
LogLevel INFO
LoginGraceTime 120
PermitRootLogin yes
StrictModes yes
RSAAuthentication yes
PubkeyAuthentication yes
IgnoreRhosts yes
RhostsRSAAuthentication no
HostbasedAuthentication no
PermitEmptyPasswords no
ChallengeResponseAuthentication no
X11Forwarding yes
X11DisplayOffset 10
PrintMotd no
PrintLastLog yes
TCPKeepAlive yes
AcceptEnv LANG LC_*
Subsystem sftp /usr/lib/openssh/sftp-server
UsePAM yes

It's the exact same output for both systems, but X11 forwarding works
only in one direction.


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Re: X11 Forwarding with Lenny?

2008-11-29 Thread Florian Kulzer
On Sat, Nov 29, 2008 at 08:24:14 +0100, Frederik Kriewitz wrote:
> On Thu, Nov 20, 2008 at 10:05 PM, swm38 swm38 <[EMAIL PROTECTED]> wrote:
> > I can't get X11 Forwarding working with lenny as server.
> > Error: Can't open display: localhost:10.0
> 
> I had the same problem on 3 machines I upgraded from etch to lenny.
> But I don't know how to solve it/what's causing it.

Post the output of the following two commands when run on the SSH server
(the intended X client):

apt-cache policy xbase-clients xauth

grep -Ev '^(#|$)' /etc/ssh/sshd_config

(The second command shows your sshd configuration; replace sensitive
 information with generic placeholders before posting if necessary.)

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Re: X11 Forwarding with Lenny?

2008-11-28 Thread Frederik Kriewitz
On Thu, Nov 20, 2008 at 10:05 PM, swm38 swm38 <[EMAIL PROTECTED]> wrote:
> I can't get X11 Forwarding working with lenny as server.
> Error: Can't open display: localhost:10.0

I had the same problem on 3 machines I upgraded from etch to lenny.
But I don't know how to solve it/what's causing it.


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Re: X11 Forwarding with Lenny?

2008-11-21 Thread Javier Barroso
>> On Thu, 2008-11-20 at 22:05 +0100, swm38 swm38 wrote:
>>> Hello,
>>>
>>> I can't get X11 Forwarding working with lenny as server.
>>>
>>> Client is Debian Lenny too, X11 Forwarding works fine with an etch server.
>>>
>>> The lenny Server is running with the exact same sshd_config as the etch 
>>> server
>>>
>>> X11Forwarding yes
>>> X11DisplayOffset 10
>>> UseLogin no
>>> AllowTcpForwarding yes
>>>
>>> xauth is installed.
>>>
>>> Tried ssh -X and -Y, same result:
>>>
>>> $ echo $DISPLAY
>>> localhost:10.0
It could be a env variables problem. Did you try it with a new (with
clear environment) user ?


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Re: X11 Forwarding with Lenny?

2008-11-20 Thread swm38 swm38
2008/11/21, subscriptions <[EMAIL PROTECTED]>:
> did you change user after remote login?

No I didn't.


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Re: X11 Forwarding with Lenny?

2008-11-20 Thread subscriptions
On Thu, 2008-11-20 at 22:05 +0100, swm38 swm38 wrote:
> Hello,
> 
> I can't get X11 Forwarding working with lenny as server.
> 
> Client is Debian Lenny too, X11 Forwarding works fine with an etch server.
> 
> The lenny Server is running with the exact same sshd_config as the etch server
> 
> X11Forwarding yes
> X11DisplayOffset 10
> UseLogin no
> AllowTcpForwarding yes
> 
> xauth is installed.
> 
> Tried ssh -X and -Y, same result:
> 
> $ echo $DISPLAY
> localhost:10.0
> $ xauth list
> freddy-test/unix:0  MIT-MAGIC-COOKIE-1  123456789...
> freddy-test/unix:10  MIT-MAGIC-COOKIE-1 ABCDEFG...
> $ xlogo
> Error: Can't open display: localhost:10.0
> 
> In the ssh(d) debug logs (ssh -vvv/sshd -de)  everything seems to be fine.
> When I start xlogo I would expect some debug output, but that doesn't happen.
> 
> Anything I missed?
> 
> Greetigns
> Freddy

Hi Freddy,

did you change user after remote login?

In that case, use 'sux' (that is su with X). It is in the software
repository.

Best,

Rob



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X11 Forwarding with Lenny?

2008-11-20 Thread swm38 swm38
Hello,

I can't get X11 Forwarding working with lenny as server.

Client is Debian Lenny too, X11 Forwarding works fine with an etch server.

The lenny Server is running with the exact same sshd_config as the etch server

X11Forwarding yes
X11DisplayOffset 10
UseLogin no
AllowTcpForwarding yes

xauth is installed.

Tried ssh -X and -Y, same result:

$ echo $DISPLAY
localhost:10.0
$ xauth list
freddy-test/unix:0  MIT-MAGIC-COOKIE-1  123456789...
freddy-test/unix:10  MIT-MAGIC-COOKIE-1 ABCDEFG...
$ xlogo
Error: Can't open display: localhost:10.0

In the ssh(d) debug logs (ssh -vvv/sshd -de)  everything seems to be fine.
When I start xlogo I would expect some debug output, but that doesn't happen.

Anything I missed?

Greetigns
Freddy


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