From owner-freebsd-stable Sat Sep 20 20:13:31 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id UAA09872 for stable-outgoing; Sat, 20 Sep 1997 20:13:31 -0700 (PDT) Received: from mail.uniserve.com (dns1-van.uniserve.com [204.244.163.48]) by hub.freebsd.org (8.8.7/8.8.7) with SMTP id UAA09861 for ; Sat, 20 Sep 1997 20:13:28 -0700 (PDT) Received: from shell.uniserve.com [204.244.210.252] by mail.uniserve.com with smtp (Exim 1.70 #1) id 0xCcSV-0001M0-00; Sat, 20 Sep 1997 20:13:19 -0700 Date: Sat, 20 Sep 1997 20:13:13 -0700 (PDT) From: Tom To: Snob Art Genre cc: Studded , "freebsd-stable@freebsd.org" Subject: Re: >8 char usernames going into 2.2.5 In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-stable@freebsd.org X-Loop: FreeBSD.org Precedence: bulk On Sat, 20 Sep 1997, Snob Art Genre wrote: > On Fri, 19 Sep 1997, Tom wrote: > > > On Fri, 19 Sep 1997, Snob Art Genre wrote: > > > > > Underscore is AFAIK not supposed to be allowed in usernames. Hyphen is, > > > > Huh? Why not? > > I don't remember where I read it. Hey people, is this in some RFC > somewhere or am I making it up? RFC? Why? Is there an RFC that says what you should eat for breakfast? :) It is local issue, not under the realm of any RFC. The only RFCs that may vaguely apply are RFC821, 822, and 1122 in regards to the local part of e-mail addresses, since usernames make up the local part of e-mail addresses on Unix systems. In this case, RFC 821 and RFC 822 are quite flexible. With proper quoting you can even put spaces in the local part (ex. "my name"@domain.com). Basically the set of all possible Unix usernames is a subset of the set of all RFC821/822 local parts. The only other thing about "_" is hostnames. "_" are NOT allowed in hostnames. This is probably what you are thinking about. Tom