Problem setting hostname to test.1234.com (numeric second-level)

[|2edFive]

Hello, world! I'm still fairly new to cPanel and completely new to WHM... and loving it. I've been able to figure out a lot, but I could use some help with this one.

My main domain is let's say 1234.com, second level of the domain is completely numerical. Server name test.1234.com. I can set this w/ no problem under Server Configuration > Basic cPanel/WHM Setup, but under Networking Setup > Change Hostname, I get:

Changing Hostname......Done
test.1234.com is not a valid hostname
Please refer to RFC 952 to determine valid hostname.

I tested w/ some other domains, and it rejects any that contain an all-numeric second-level. Something like test.1234a.com works just fine.

I asked my host about it, and they replied:

I've found that cPanel doesn't like numbers in the hostname for some reason so it will kick it out (even though it works). Follow these steps if you wish to use a hostname with numbers.

a) Log into WHM and goto "Basic cPanel/WHM Setup" and change the hostname.
b) Log into the server via SSH and become the root user "sudo su -"
c) vi /etc/sysconfig/network (change entry in there, exit and save the file)
d) vi /etc/hosts (change entry in there, exit and save the file)
e) Run /scripts/upcp to update cpanel

This seems to work great. The only problem was the license going bad, so I ran /usr/local/cpanel/cpkeyclt, fixed.

Does anyone have anything to add to my host's advice, or does that sound like the complete solution to manually hack it in?

And, is the rejection by WHM possibly a bug? When it first happened, I was like ? It's been my main domain since 2002 or so...

Thanks for your time!

[vanessa]

Your host pretty much has it right. If you feel this needs to be changed, you should submit a bug report to cPanel.

[|2edFive]

Thanks very much, Vanessa.

I reported it, and was quickly helped by Josh, who confirmed it and passed it along to the developers. Awesome.

Oh, and nice site BTW.