title: doing x over telnet with RedHat link: https://onemoretech.wordpress.com/2007/08/28/doing-x-over-telnet-with-redhat/ author: lembobro description: post_id: 653 created: 2007/08/28 15:10:00 created_gmt: 2007/08/28 15:10:00 comment_status: open post_name: doing-x-over-telnet-with-redhat status: publish post_type: post

doing x over telnet with RedHat

Yes, I know how insecure X over telnet is. But sometimes interoperability trumps enhanced security, so the following is offered for those times when you just have to use telnet to run X apps remotely on a RedHat box.

Freeing up X over telnet on RedHat/Fedora is actually pretty simple, if you know the trick.

What you need to do is make a change in the system’s gdm configuation. The easiest way to do this is run gdmsetup and click on the “Remote” tab. Go to the drop-down menu for “Style” and pick something, anything, other than “Remote Login Disabled”. You can also do this from the command line by going to /etc/gdm/custom.conf and adding “Enable=true” under the “[xdmcp]” section of the file.

Oh, yeah, also remmember to enable telnetd on the remote server (it’s not installed by default). Even if you’ve installed the legacy server packages you still need to go to /etc/xinetd.d/telnet and change “disable” to “no” and restart xinetd.

Copyright 2004-2019 Phil Lembo