4 part domain names
rasputnik at hellooperator.net
Wed Nov 24 10:55:28 PST 2004
* Peter Risdon <peter at circlesquared.com> [1153 16:53]:
> >For example, I can create a host in example.com called
> >and you can't stop me (evil laughter).
> Sent the RFC mail prematurely...
> RFC 952 says:
> <quote> A "name" (Net, Host, Gateway, or Domain name) is a text string
> up to 24 characters drawn from the alphabet (A-Z), digits (0-9), minus
> sign (-), and period (.). Note that periods are only allowed when they
> serve to delimit components of "domain style names". (See RFC-921,
> "Domain Name System Implementation Schedule", for background).
> So I guess you could, but it wouldn't be canonical. If authority ever
> gets delegated for mail.example.com, then for 510.mail.example.com, then
> a host called us is published, there's going to be a bit of a problem
> with your network.
Oh my god yes. I've done this for <shudder>customers</shudder>.
It works. And is horribly confusing for everyone.
I stand by my demented cackle ^_^
Rasputin :: Jack of All Trades - Master of Nuns
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