1 <samba:parameter xmlns:samba="http://samba.org/common">
2 <term><anchor id="INVALIDUSERS"/>invalid users (S)</term>
3 <listitem><para>This is a list of users that should not be allowed
4 to login to this service. This is really a <emphasis>paranoid</emphasis>
5 check to absolutely ensure an improper setting does not breach
8 <para>A name starting with a '@' is interpreted as an NIS
9 netgroup first (if your system supports NIS), and then as a UNIX
10 group if the name was not found in the NIS netgroup database.</para>
12 <para>A name starting with '+' is interpreted only
13 by looking in the UNIX group database. A name starting with
14 '&' is interpreted only by looking in the NIS netgroup database
15 (this requires NIS to be working on your system). The characters
16 '+' and '&' may be used at the start of the name in either order
17 so the value <parameter moreinfo="none">+&group</parameter> means check the
18 UNIX group database, followed by the NIS netgroup database, and
19 the value <parameter moreinfo="none">&+group</parameter> means check the NIS
20 netgroup database, followed by the UNIX group database (the
21 same as the '@' prefix).</para>
23 <para>The current servicename is substituted for <parameter moreinfo="none">%S</parameter>.
24 This is useful in the [homes] section.</para>
26 <para>See also <link linkend="VALIDUSERS"><parameter moreinfo="none">valid users
27 </parameter></link>.</para>
29 <para>Default: <emphasis>no invalid users</emphasis></para>
30 <para>Example: <command moreinfo="none">invalid users = root fred admin @wheel