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Victor.Duchovni_at_morganstanley.com
Date: Thu Jan 02 2003 - 19:53:05 CST

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    On Thu, 2 Jan 2003, Derek Simkowiak wrote:

    > > Unix account names MUST not contain "" characters.
    >
    > Says who? (I'd like to know which RFC, if you happen to know.)
    >

    UNIX is not defined in RFCs, the relevant standards are the Single UNIX
    Specification (OpenGroup) and perhaps the SVID. More importantly though is
    the historical legacy of existing software

    - scp userhost:/some/path /local/path
    - talk userhost
    - finger userhost
    - On SVr4 pwck(1m) objects to "" in user names.
    - Neither Sendmail nor Postfix can do "local" delivery to such users
    - User names are generally restricted to 8 characters.
    - Kerberos principals are userrealm
    ...

    Local user names with "" cause too many compatibility problems.
    Over and out, good luck. 

    -- 
	Viktor.