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Unfortunately problems are constantly appearing in the network area, because the naming standards for username, hostnane and domainname are not conformed. This is why here are summarized the most important guidelines concerning the small writing.
A quote from it:
Don't expect case to be preserved. Upper and lowercase characters look the same to a great deal of internet software, often under the assumption that it is doing you a favor. It may seem appropriate to capitalize a name the same way you might do it in English, but convention dictates that computer names appear all lowercase. (And it saves holding down the shift key.)Consequently it is very strongly recommended to write the hostname in lowercase, since some protocols, particularly NIS, ignore capital letters.
A quote from it:
For purposes of DNS security, the canonical form for an RR is the RR with domain names (1) fully expanded (no name compression via pointers), (2) all domain name letters set to lower case, and (3) the original TTL substituted for the current TTL.
See also:
Keywords: HOSTNAME, DOMAINNAME, NIS, YP, DNS, NET, NAME, RFC
Feedback welcome: Send Mail to srolf@suse.de (Please give the following subject: SDB-rolf_kleinschreibung
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