Michael,

Thanks for the directions.  Using your method does work.  However
your method bypasses X11 forwarding.

> 6.  Log into the FreeBSD machine using PuTTY.  Set the DISPLAY
> environment variable equal to the IP address and display of the XP
> machine.  The command I used was:
>
> export DISPLAY=192.168.xxx.xxx:0

What I want to get working is X11 forwarding where you don't set
the DISPLAY variable explicitly.  With X11 forwarding the DISPLAY
variable is automatically set to something like, 
[IP address of Windows box]:0.0.

Terry Todd


On Wed, Jul 25, 2007 at 12:16:24AM -0700, Michael S. Eubanks wrote:
> On Tue, 2007-07-24 at 13:29 -0500, Terry Todd wrote:
> > On Tue, Jul 24, 2007 at 10:54:22AM -0700, Michael S. Eubanks wrote:
> > ...
> > > Question.  How many X servers do you have running?  Are you logged into
> > > a window manager when you are attempting to connect?
> > > 
> > 
> > Only one instance of Xming is running on the Windows XP system.
> > I am using PuTTY to connect to the FreeBSD system and the other
> > systems.  The other systems all work.  FreeBSD X11 forwarding does
> > not work.  It is an off the shelf standard install of 6.2.
> > 
> > Manually setting the DISPLAY variable on the FreeBSD system to
> > [IP address of Widows XP system]:0.0 will allow it to work but
> > that's not what I want to do here.  I want it to automatically
> > forward the X11 session through ssh like it does when connecting
> > to the FC6 system.
> > 
> > Terry Todd
> > 
> 
> Okay.  I was able to get it running.  I received a slightly different
> error when I tried running an application the first time.  My error is
> from Xming and displays as follows (using X forwarding):
> 
> AUDIT: Tue Jul 24 23:47:34 2007: 608 C:\Program Files\Xming\xming.exe
> client 4 rejected from IP 192.168.10.101
> 
> This error simply means to add the ``-ac'' option to the Xming desktop
> shortcut.  Let me walk you through what I did.  Before I begin, I'm
> using 6-STABLE (now on 6.2) with Xorg 7.2.
> 
> 
> QUICK INSTRUCTIONS
> 1.  Make sure to install Xming using both the Xming installer program
> and Xming fonts installer.
> 
> 2.  Modify the Desktop Xming shortcut to include the following
> arguments:  ``:0 -clipboard -multiwindow -ac''.  The ac option accepts
> client requests and quells the error that I had above.
> 
> 3.  Start Xming using the shortcut you just created
> 
> 4.  I'm going to guess that you may leave your sshd_config file the way
> it is - I did.
> 
> 5.  Install the Xming Portable PuTTY package.  Make the changes shown to
> the PuTTY configuration as shown here before you connect to the FreeBSD
> machine (NOTE the X11 forwarding to localhost:0 - I think this is how
> you said your config was):
> 
> http://www.straightrunning.com/XmingNotes/trouble.php
> 
> 6.  Log into the FreeBSD machine using PuTTY.  Set the DISPLAY
> environment variable equal to the IP address and display of the XP
> machine.  The command I used was:
> 
> export DISPLAY=192.168.xxx.xxx:0
> 
> 7.  Make sure your Windows Firewall is either turned off or allows
> incoming requests for Xming.
> 
> 8.  Execute a command like xeyes.  It should show on the windows
> desktop.
> 
> 
> > 
> > On Tue, Jul 24, 2007 at 10:54:22AM -0700, Michael S. Eubanks wrote:
> > > On Tue, 2007-07-24 at 12:23 -0500, Terry Todd wrote:
> > > > On Tue, Jul 24, 2007 at 09:48:05AM -0700, Michael S. Eubanks wrote:
> > > > ...
> > > > > Start by changing the following line from
> > > > >
> > > > > X11DisplayOffset 10
> > > > >
> > > > > to
> > > > >  
> > > > > X11DisplayOffset 1
> > > > ...
> > > > 
> > > > OK, I tried that.  No difference.
> > > > 
> > > > Here's what heppened on the FreeBSD 6.2 system:
> > > > $
> > > > $ echo $DISPLAY
> > > > localhost:1.0
> > > > $
> > > > $ xhost
> > > > Xlib: connection to "localhost:1.0" refused by server
> > > > Xlib: PuTTY X11 proxy: wrong authentication protocol attempted
> > > > xhost:  unable to open display "localhost:1.0"
> > > > $
> > > > $ xhost +
> > > > Xlib: connection to "localhost:1.0" refused by server
> > > > Xlib: PuTTY X11 proxy: wrong authentication protocol attempted
> > > > xhost:  unable to open display "localhost:1.0"
> > > > $ xterm
> > > > Xlib: connection to "localhost:1.0" refused by server
> > > > Xlib: PuTTY X11 proxy: wrong authentication protocol attempted
> > > > xterm Xt error: Can't open display: localhost:1.0
> > > > $
> > > 
> > > Question.  How many X servers do you have running?  Are you logged into
> > > a window manager when you are attempting to connect?
> > > 
> > > 
> > > > 
> > > > 
> > > > 
> > > > Here's what happens on the FC6 system:
> > > > $ echo $DISPLAY
> > > > localhost:13.0
> > > > $
> > > > $ xhost
> > > > access control disabled, clients can connect from any host
> > > > INET:terry-pc.egizone.com
> > > > LOCAL:
> > > > $
> > > > 
> > > > Terry Todd
> > > > 
> > > > 
> > > > On Tue, Jul 24, 2007 at 09:48:05AM -0700, Michael S. Eubanks wrote:
> > > > > On Tue, 2007-07-24 at 10:59 -0500, Terry Todd wrote:
> > > > > > I have installed Xming successfully on a Windows XP system. 
> > > > > > It works OK to a FC6 system and an older UNIXware system. 
> > > > > >  
> > > > > > However when trying to connect to a FreeBSD 6.2 system with PuTTY
> > > > > > ssh it doesn't work.  PuTTY has Enable X11 forwarding checked.
> > > > > >  
> > > > > > Here's what I get: 
> > > > > >  
> > > > > > $ 
> > > > > > $ xhost 
> > > > > > Xlib: connection to "localhost:10.0" refused by server 
> > > > > > Xlib: PuTTY X11 proxy: wrong authentication protocol attempted 
> > > > > > xhost: unable to open display "localhost:10.0" 
> > > > > > $ 
> > > > > >  
> > > > > > What can be wrong? 
> > > > > >  
> > > > > > I have ssh configured as follows: 
> > > > > > # grep X11 /etc/ssh/* 
> > > > > > /etc/ssh/ssh_config:ForwardX11 yes 
> > > > > > /etc/ssh/ssh_config:ForwardX11Trusted yes 
> > > > > > /etc/ssh/sshd_config:X11Forwarding yes 
> > > > > > /etc/ssh/sshd_config:X11DisplayOffset 10 
> > > > > > /etc/ssh/sshd_config:X11UseLocalhost yes 
> > > > > >  
> > > > > 
> > > > > Start by changing the following line from
> > > > > 
> > > > > X11DisplayOffset 10
> > > > > 
> > > > > to
> > > > > 
> > > > > X11DisplayOffset 1
> > > > > 
> > > > > According to the sshd_conf man page, looks like the number should be 
> > > > > set
> > > > > to the display that you want to forward (the first available display).
> > > > > 
> > > > > 
> > > > > > Here is the Xming log file: 
> > > > > > Welcome to the Xming X Server 
> > > > > > Vendor: Colin Harrison 
> > > > > > Release: 6.9.0.24 
> > > > > > FreeType2: 2.3.0 
> > > > > > Contact: http://sourceforge.net/forum/?group_id=156984 
> > > > > > 
> > > > > > C:\Program Files\Xming\Xming.exe :0 -ac -clipboard -multiwindow  
> > > > > >  
> > > > > > XdmcpRegisterConnection: newAddress x.x.x.x 
> > > > > > winPrefsLoadPreferences: C:\Program Files\Xming\Xmingrc 
> > > > > > LoadPreferences: Done parsing the configuration file... 
> > > > > > winAdjustVideoModeShadowGDI - Using Windows display depth of 32 
> > > > > > bits per pixel 
> > > > > > winAllocateFBShadowGDI - Creating DIB with width: 1600 height: 1200 
> > > > > > depth: 32 
> > > > > > winInitVisualsShadowGDI - Masks 00ff0000 0000ff00 000000ff BPRGB 8 
> > > > > > d 24 bpp 32 
> > > > > > glWinInitVisuals:1511: glWinInitVisuals 
> > > > > > init_visuals:1055: init_visuals 
> > > > > > null screen fn ReparentWindow 
> > > > > > null screen fn RestackWindow 
> > > > > > InitQueue - Calling pthread_mutex_init 
> > > > > > InitQueue - pthread_mutex_init returned 
> > > > > > InitQueue - Calling pthread_cond_init 
> > > > > > InitQueue - pthread_cond_init returned 
> > > > > > winInitMultiWindowWM - Hello 
> > > > > > winInitMultiWindowWM - Calling pthread_mutex_lock () 
> > > > > > winMultiWindowXMsgProc - Hello 
> > > > > > winMultiWindowXMsgProc - Calling pthread_mutex_lock () 
> > > > > > glWinScreenProbe:1390: glWinScreenProbe 
> > > > > > fixup_visuals:1303: fixup_visuals 
> > > > > > init_screen_visuals:1336: init_screen_visuals 
> > > > > > (--) 5 mouse buttons found 
> > > > > > (--) Setting autorepeat to delay=500, rate=31 
> > > > > > (--) winConfigKeyboard - Layout: "00000409" (00000409)  
> > > > > > (--) Using preset keyboard for "English (USA)" (409), type "4" 
> > > > > > Could not init font path element C:\Program 
> > > > > > Files\Xming/fonts/misc/, removing from list! 
> > > > > > Could not init font path element C:\Program Files\Xming/fonts/TTF/, 
> > > > > > removing from list! 
> > > > > > Could not init font path element C:\Program 
> > > > > > Files\Xming/fonts/Type1/, removing from list! 
> > > > > > Could not init font path element C:\Program 
> > > > > > Files\Xming/fonts/75dpi/, removing from list! 
> > > > > > Could not init font path element C:\Program 
> > > > > > Files\Xming/fonts/100dpi/, removing from list! 
> > > > > > Could not init font path element C:\Program 
> > > > > > Files\Xming\fonts\dejavu, removing from list! 
> > > > > > Could not init font path element C:\Program 
> > > > > > Files\Xming\fonts\cyrillic, removing from list! 
> > > > > > Could not init font path element C:\WINDOWS\Fonts, removing from 
> > > > > > list! 
> > > > > > winInitMultiWindowWM - pthread_mutex_lock () returned. 
> > > > > > winInitMultiWindowWM - pthread_mutex_unlock () returned. 
> > > > > > winMultiWindowXMsgProc - pthread_mutex_lock () returned. 
> > > > > > winInitMultiWindowWM - DISPLAY=127.0.0.1:0.0 
> > > > > > winMultiWindowXMsgProc - pthread_mutex_unlock () returned. 
> > > > > > winMultiWindowXMsgProc - DISPLAY=127.0.0.1:0.0 
> > > > > > winProcEstablishConnection - Hello 
> > > > > > winInitClipboard () 
> > > > > > winProcEstablishConnection - winInitClipboard returned. 
> > > > > > winInitMultiWindowWM - XOpenDisplay () returned and successfully 
> > > > > > opened the display. 
> > > > > > winClipboardProc - Hello 
> > > > > > DetectUnicodeSupport - Windows XP 
> > > > > > winClipboardProc - DISPLAY=127.0.0.1:0.0 
> > > > > > winMultiWindowXMsgProc - XOpenDisplay () returned and successfully 
> > > > > > opened the display. 
> > > > > > winClipboardProc - XOpenDisplay () returned and successfully opened 
> > > > > > the display. 
> > > > > >  
> > > > > > 
> > > > > > Here is the PuTTY event log: 
> > > > > > 2007-07-24 09:53:57 Looking up host "x.x.x.x" 
> > > > > > 2007-07-24 09:53:57 Connecting to x.x.x.x port 22 
> > > > > > 2007-07-24 09:53:57 Server version: SSH-2.0-OpenSSH_4.5p1 
> > > > > > FreeBSD-20061110 
> > > > > > 2007-07-24 09:53:57 We claim version: 
> > > > > > SSH-2.0-PuTTY_Snapshot_2005_05_03:r5737 
> > > > > > 2007-07-24 09:53:57 Using SSH protocol version 2 
> > > > > > 2007-07-24 09:53:57 Doing Diffie-Hellman group exchange 
> > > > > > 2007-07-24 09:53:57 Doing Diffie-Hellman key exchange 
> > > > > > 2007-07-24 09:53:57 Host key fingerprint is: 
> > > > > > 2007-07-24 09:53:57 ssh-dss 1024 
> > > > > > 06:2a:c4:9c:e7:6a:f8:0d:5a:17:e9:b0:e3:79:1c:a5 
> > > > > > 2007-07-24 09:53:57 Initialised AES-256 SDCTR client->server 
> > > > > > encryption 
> > > > > > 2007-07-24 09:53:57 Initialised HMAC-SHA1 client->server MAC 
> > > > > > algorithm 
> > > > > > 2007-07-24 09:53:57 Initialised AES-256 SDCTR server->client 
> > > > > > encryption 
> > > > > > 2007-07-24 09:53:57 Initialised HMAC-SHA1 server->client MAC 
> > > > > > algorithm 
> > > > > > 2007-07-24 09:54:06 Access granted 
> > > > > > 2007-07-24 09:54:06 Opened channel for session 
> > > > > > 2007-07-24 09:54:06 Requesting X11 forwarding 
> > > > > > 2007-07-24 09:54:06 X11 forwarding enabled 
> > > > > > 2007-07-24 09:54:06 Allocated pty (ospeed 38400bps, ispeed 
> > > > > > 38400bps) 
> > > > > > 2007-07-24 09:54:06 Started a shell/command 
> > > > > > 2007-07-24 09:54:17 Received X11 connect request from 
> > > > > > 127.0.0.1:53737 
> > > > > > 2007-07-24 09:54:17 Opening X11 forward connection succeeded 
> > > > > > 2007-07-24 09:54:17 Forwarded X11 connection terminated 
> > > > > >  
> > > > > 
> > > > > 
> > > > > -Michael S. Eubanks
> > > > >  [EMAIL PROTECTED]
> > > > > 
> > > 
> > > -Michael S. Eubanks
> > >  [EMAIL PROTECTED]
> > > 
> > > 
> > > 
> > > _______________________________________________
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