How do I enable telnet for a Red Hat Linux system?
closed as not a real question by John Gardeniers, Cian, Jeff Atwood♦ Jan 24 '10 at 4:39
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Unless there is a specific reason you need telnet, I would recommend using SSH over telnet. Everything is transmitted unencrypted via telnet, so it is possible to sniff that traffic and pull out passwords.
With that said, to enable it, you first need the telnet server installed
This should pick up the xinetd package which is also required.
By default, even after you install the package it will be disabled. You need to edit /etc/xinetd.d/telnet and change the line that says disable=yes to disable=no
Then you will need to start xinetd with
If you have a firewall enabled, you will need to allow traffic on port 23.
Redhat has telnet disabled by default for a good reason - it's a crappy clear-text protocol left over from the 1980s. It would be best if you left it disabled.
It will however have an SSH server started, which is the modern equivalent of telnet. You'll likely be able log into it that way - use PuTTY on Windows, or
If you're after something more, and actually require a telnet server, please explain a bit more.