Quick question about valid username characters
Michael Kearey
mutk at iprimus.com.au
Tue Feb 17 22:39:41 UTC 2004
Alexander Dalloz wrote:
> Am Di, den 17.02.2004 schrieb Michael Kearey um 09:39:
>
>>Hi There,
>>
>>I have several multi-user machines running Redhat 8.0. There are
>>hundreds of usernames on these machines that have mixture of upper and
>>lowercase.
>>Why the change?
>
>
> I can not confirm that it was a change as I never used uppercase
> letters, but I can say it was ever a good idea to use just lowercase
> letters and no special signs. For problems with Sendmail using uppercase
> letters in usernames see
>
> http://www.sendmail.org/faq/section4.html#4.17
I can confirm there was a change. Several redhat 8.0 boxes I have
allow hundreds of uppercase characters usernames. My Fedora box
doesn't. Therefore a change happened *somewhere*. Hence why I want to
see a changelog that anounces it...
I still cannot find a reference in any documentation that specifies
the valid characters for userID's. (Plain old Unix like usernames I mean).
I have to take the problem on the chin, I guess. The process of moving
users across and translating their usernames etc to all lower case is
the simple part. The big problem will be in comunicating the changed
usernames to hundreds of users...
Many thanks,
Michael
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