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Full Discussion: X11 connection problem when using Xwin-32
Top Forums UNIX for Dummies Questions & Answers X11 connection problem when using Xwin-32 Post 302460048 by mevich on Wednesday 6th of October 2010 02:15:10 AM
Old 10-06-2010
X11 connection problem when using Xwin-32
Hi I'm using Xwin-32 to connect to my labs UNIX machines. Previously I was able to connect to the systems easily but now I get this error message (posted below) and the unix session is not able to start. can somebody help me.

Looking up host "blade2.tec.ufl.edu"
Connecting to 128.227.241.112 port 22
Server version: SSH-2.0-Sun_SSH_1.1.2
We claim version: SSH-2.0-PuTTY_Local:_Sep_25_2008_15:32:15
Using SSH protocol version 2
Doing Diffie-Hellman group exchange
Doing Diffie-Hellman key exchange with hash SHA-1
Host key fingerprint is:
ssh-rsa 1024 b9:5e:6e:18:a3:f1:04:66:b7:95:aa:fa:91:3e:81:45
Initialised AES-256 SDCTR client->server encryption
Initialised HMAC-SHA1 client->server MAC algorithm
Initialised AES-256 SDCTR server->client encryption
Initialised HMAC-SHA1 server->client MAC algorithm
Access granted
Opened channel for session
Requesting X11 forwarding
X11 forwarding enabled
Started a shell/command
Received X11 connect request from 127.0.0.1:33001
Opening X11 forward connection succeeded
Forwarded X11 connection terminated
Server sent command exit status 1
Disconnected: All channels closed


It seems like it is connecting to the servers but X11 is not being enabled? Is there something wrong with my system or should I contact my administrator?

Thank you.
 

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LEARN ABOUT CENTOS

libssh2_channel_direct_tcpip_ex

libssh2_channel_direct_tcpip_ex(3)				  libssh2 manual				libssh2_channel_direct_tcpip_ex(3)

NAME

       libssh2_channel_direct_tcpip_ex - Tunnel a TCP connection through an SSH session

SYNOPSIS

       #include <libssh2.h>

       LIBSSH2_CHANNEL * libssh2_channel_direct_tcpip_ex(LIBSSH2_SESSION *session, const char *host, int port, const char *shost, int sport);

       LIBSSH2_CHANNEL * libssh2_channel_direct_tcpip(LIBSSH2_SESSION *session, const char *host, int port);

DESCRIPTION

       session - Session instance as returned by libssh2_session_init_ex(3)

       host - Third party host to connect to using the SSH host as a proxy.

       port - Port on third party host to connect to.

       shost - Host to tell the SSH server the connection originated on.

       sport - Port to tell the SSH server the connection originated from.

       Tunnel  a TCP/IP connection through the SSH transport via the remote host to a third party. Communication from the client to the SSH server
       remains encrypted, communication from the server to the 3rd party host travels in cleartext.

RETURN VALUE

       Pointer to a newly allocated LIBSSH2_CHANNEL instance, or NULL on errors.

ERRORS

       LIBSSH2_ERROR_ALLOC -  An internal memory allocation call failed.

SEE ALSO

       libssh2_session_init_ex(3)

libssh2 0.15							    1 Jun 2007					libssh2_channel_direct_tcpip_ex(3)
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