Re: [Exim] domain trouble

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著者: Philip Hazel
日付:  
To: Nigel Metheringham
CC: exim-users
題目: Re: [Exim] domain trouble
On Tue, 5 Sep 2000, Nigel Metheringham wrote:

> However all the registrars that I checked state those rules as a
> restriction on valid domain names. Bind also treats _ as illegal,
> unless you explicitly prevent it doing so... and our dear friends at a
> well known large Redmond based software company utilize these rules to
> hide some authentication data in an illegally named DNS zone :-)


Oh, sure. The only point I'm trying to make is that these restrictions
are outwith the underlying DNS data structure, which is designed to
carry any data. The restrictions are in various interfaces to the DNS,
not in the DNS itself.


-- 
Philip Hazel            University of Cambridge Computing Service,
ph10@???      Cambridge, England. Phone: +44 1223 334714.