Date: Wed, 09 Jun 1999 09:43:03 -0600 From: Wes Peters <wes@softweyr.com> To: hqy2446 <hqy2446@is2.nyu.edu> Cc: freebsd-questions@FreeBSD.ORG, freebsd-security@FreeBSD.ORG Subject: Re: newbie question: ssh Message-ID: <375E8B87.84A47C9D@softweyr.com> References: <Pine.OSF.3.95.990608025653.13286A-100000@is2.nyu.edu>
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hqy2446 wrote:
>
> I have a newbie question regarding X connection forward by ssh.
>
> After I installed ssh-1.2.27 and ssh-2.0.13, I was unable to use 'X
> connection forwarding' at certain servers. Now I tried this command:
>
> $ ssh -l [username] [remote host] xterm -display [my ip address]:0.0
No no no no! Watch:
wes@homer$ echo $DISPLAY
:0.0
wes@homer$ ssh freefall.cdrom.com
Enter passphrase for RSA key 'wes@homer':
...
bash-2.02$ echo $DISPLAY
freefall.freebsd.org:12.0
bash-2.02$ /usr/X11R6/bin/xdpyinfo
name of display: freefall.freebsd.org:12.0
version number: 11.0
vendor string: The XFree86 Project, Inc
vendor release number: 3330
Homer is my laptop running FreeBSD. As you can see, when I login
to freefall via ssh, a secure X proxy connection has already been
setup for my by ssh. It will do this if it finds the $DISPLAY
variable set on the client side. Use this connection and only this
connection for secure transport. Your command should be:
$ ssh -l [username] [remote host] xterm
and nothing more.
$ ssh -l username remotehost env
will allow you to determine that the remote $DISPLAY is being set
correctly.
--
"Where am I, and what am I doing in this handbasket?"
Wes Peters Softweyr LLC
http://www.softweyr.com/~softweyr wes@softweyr.com
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