SSH -X doesn't work with an export DISPLAY

[Michel Dubois]

I don't found anything wrong ..... 


ssh -Xv veloce
Sun_SSH_1.1, SSH protocols 1.5/2.0, OpenSSL 0x0090700f
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Rhosts Authentication disabled, originating port will not be trusted.
debug1: ssh_connect: needpriv 0
debug1: Connecting to veloce  port 22.
debug1: Connection established.
debug1: identity file /root/.ssh/identity type -1
debug1: identity file /root/.ssh/id_rsa type -1
debug1: identity file /root/.ssh/id_dsa type -1
debug1: Remote protocol version 1.99, remote software version OpenSSH_3.9p1
debug1: match: OpenSSH_3.9p1 pat OpenSSH*
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-Sun_SSH_1.1
debug1: Failed to acquire GSS-API credentials for any mechanisms (No 
credentials were supplied, or the credentials were unavailable or 
inaccessible
mech_dh: Invalid or unknown error
)
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: server->client aes128-ctr hmac-md5 none
debug1: kex: client->server aes128-ctr hmac-md5 none
debug1: Peer sent proposed langtags, ctos:
debug1: Peer sent proposed langtags, stoc:
debug1: We proposed langtags, ctos: i-default
debug1: We proposed langtags, stoc: i-default
debug1: SSH2_MSG_KEX_DH_GEX_REQUEST sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP
debug1: dh_gen_key: priv key bits set: 127/256
debug1: bits set: 1025/2048
debug1: SSH2_MSG_KEX_DH_GEX_INIT sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY
debug1: Host 'veloce' is known and matches the RSA host key.
debug1: Found key in /root/.ssh/known_hosts:1
debug1: bits set: 1051/2048
debug1: ssh_rsa_verify: signature correct
debug1: newkeys: mode 1
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: newkeys: mode 0
debug1: SSH2_MSG_NEWKEYS received
debug1: done: ssh_kex2.
debug1: send SSH2_MSG_SERVICE_REQUEST
debug1: got SSH2_MSG_SERVICE_ACCEPT
debug1: Authentications that can continue: publickey,gssapi-with-mic,password
debug1: Next authentication method: gssapi-with-mic
debug1: Failed to acquire GSS-API credentials for any mechanisms (No 
credentials were supplied, or the credentials were unavailable or 
inaccessible
mech_dh: Invalid or unknown error
)
debug1: Next authentication method: publickey
debug1: Trying private key: /root/.ssh/identity
debug1: Trying private key: /root/.ssh/id_rsa
debug1: Trying private key: /root/.ssh/id_dsa
debug1: Next authentication method: password
user at veloce's password:
debug1: Authentication succeeded (password)
debug1: channel 0: new [client-session]
debug1: send channel open 0
debug1: Entering interactive session.
debug1: ssh_session2_setup: id 0
debug1: channel request 0: pty-req
debug1: Requesting X11 forwarding with authentication spoofing.
debug1: channel request 0: x11-req
debug1: channel request 0: shell
debug1: fd 4 setting TCP_NODELAY
debug1: channel 0: open confirm rwindow 0 rmax 32768



On Thursday 05 July 2007 13:58:02 you wrote:
> Michel Dubois wrote:
> > Folks,
> >
> > The ssh -X doesn't work well. I checked X11Forwarding status is yes in
> > the sshd_config file.
> > When I try to launch "xcalc" I got this following error message :
> > xcalc
> > Error: Can't open display: localhost:12.0
> >
> > But this last command works when I export the DISPLAY env. variable of
> > the client workstation.
>
> It sounds like the X11 forwarding working.
>
> Try adding '-v' to your ssh command, to get more debugging, and see if
> there are any errors when it attempts to set up the X11 forwarding
> during the initial login.  Also, when your X client starts on the remote
> server, the ssh client should report some debugging information, which
> might include errors that'll help you identify the problem.



-- 
Cordialement.
----------------------
Michel Dubois
Ingénieur Support CIMPACA
Tel : 04 92 38 85 53
Mobile : 06 09 65 71 76