1 .\" $Heimdal: login.access.5 11902 2003-03-24 15:49:30Z joda $
10 login access control table
14 file specifies on which ttys or from which hosts certain users are
19 file is checked for the first entry that matches a specific user/host
20 or user/tty combination. That entry can either allow or deny login
23 Each entry have three fields separated by colon:
26 The first field indicates the permission given if the entry matches.
34 The second field is a comma separated list of users or groups for
35 which the current entry applies. NIS netgroups can used (if
36 configured) if preceeded by @. The magic string ALL matches all users.
37 A group will match if the user is a member of that group, or it is the
40 The third field is a list of ttys, or network names. A network name
41 can be either a hostname, a domain (indicated by a starting period),
42 or a netgroup. As with the user list, ALL matches anything. LOCAL
43 matches a string not containing a period.
46 If the string EXCEPT is found in either the user or from list, the
47 rest of the list are exceptions to the list before EXCEPT.
49 If there's a user and a group with the same name, there is no way to
50 make the group match if the user also matches.
56 function was written by
57 Wietse Venema. This manual page was written for Heimdal.