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From: Warren Block <wblock@FreeBSD.org>
Date: Thu, 5 Jun 2014 01:20:26 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r267087 - stable/10/share/man/man5
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Author: wblock (doc committer)
Date: Thu Jun  5 01:20:25 2014
New Revision: 267087
URL: http://svnweb.freebsd.org/changeset/base/267087

Log:
  MFC r266828:
  
  Correct the description of characters allowed.  Based on pw_checkname in
  usr.sbin/pw/pw_user.c.  Modified version of patch submitted by
  venture37.

Modified:
  stable/10/share/man/man5/passwd.5
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/share/man/man5/passwd.5
==============================================================================
--- stable/10/share/man/man5/passwd.5	Thu Jun  5 01:00:27 2014	(r267086)
+++ stable/10/share/man/man5/passwd.5	Thu Jun  5 01:20:25 2014	(r267087)
@@ -129,19 +129,29 @@ Routines
 that manipulate these files will often return only one of the multiple
 entries, and that one by random selection.
 .Pp
-The login name must never begin with a hyphen
-.Pq Ql - ;
-also, it is strongly
-suggested that neither upper-case characters or dots
-.Pq Ql \&.
-be part
-of the name, as this tends to confuse mailers.
+The login name must not begin with a hyphen
+.Pq Ql \&- ,
+and cannot contain 8-bit characters, tabs or spaces, or any of these
+symbols:
+.Ql \&,:+&#%^\&(\&)!@~*?<>=|\e\\&/" .
+The dollar symbol
+.Pq Ql \&$
+is allowed only as the last character for use with Samba.
 No field may contain a
 colon
 .Pq Ql \&:
 as this has been used historically to separate the fields
 in the user database.
 .Pp
+Case is significant.
+Login names
+.Ql Lrrr
+and
+.Ql lrrr
+represent different users.
+Be aware of this when interoperating with systems that do not have
+case-sensitive login names.
+.Pp
 In the
 .Nm master.passwd
 file,