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Linux 2.6 - man page for pam_access (linux section 8)

PAM_ACCESS(8)				 Linux-PAM Manual			    PAM_ACCESS(8)

NAME
       pam_access - PAM module for logdaemon style login access control

SYNOPSIS
       pam_access.so [debug] [nodefgroup] [noaudit] [accessfile=file] [fieldsep=sep]
		     [listsep=sep]

DESCRIPTION
       The pam_access PAM module is mainly for access management. It provides logdaemon style
       login access control based on login names, host or domain names, internet addresses or
       network numbers, or on terminal line names in case of non-networked logins.

       By default rules for access management are taken from config file
       /etc/security/access.conf if you don't specify another file.

       If Linux PAM is compiled with audit support the module will report when it denies access
       based on origin (host or tty).

OPTIONS
       accessfile=/path/to/access.conf
	   Indicate an alternative access.conf style configuration file to override the default.
	   This can be useful when different services need different access lists.

       debug
	   A lot of debug information is printed with syslog(3).

       noaudit
	   Do not report logins from disallowed hosts and ttys to the audit subsystem.

       fieldsep=separators
	   This option modifies the field separator character that pam_access will recognize when
	   parsing the access configuration file. For example: fieldsep=| will cause the default
	   `:' character to be treated as part of a field value and `|' becomes the field
	   separator. Doing this may be useful in conjunction with a system that wants to use
	   pam_access with X based applications, since the PAM_TTY item is likely to be of the
	   form "hostname:0" which includes a `:' character in its value. But you should not need
	   this.

       listsep=separators
	   This option modifies the list separator character that pam_access will recognize when
	   parsing the access configuration file. For example: listsep=, will cause the default `
	   ' (space) and `\t' (tab) characters to be treated as part of a list element value and
	   `,' becomes the only list element separator. Doing this may be useful on a system with
	   group information obtained from a Windows domain, where the default built-in groups
	   "Domain Users", "Domain Admins" contain a space.

       nodefgroup
	   User tokens which are not enclosed in parentheses will not be matched against the
	   group database. The backwards compatible default is to try the group database match
	   even for tokens not enclosed in parentheses.

MODULE TYPES PROVIDED
       All module types (auth, account, password and session) are provided.

RETURN VALUES
       PAM_SUCCESS
	   Access was granted.

       PAM_PERM_DENIED
	   Access was not granted.

       PAM_IGNORE

	   pam_setcred was called which does nothing.

       PAM_ABORT
	   Not all relevant data or options could be gotten.

       PAM_USER_UNKNOWN
	   The user is not known to the system.

FILES
       /etc/security/access.conf
	   Default configuration file

SEE ALSO
       access.conf(5), pam.d(5), pam(7).

AUTHORS
       The logdaemon style login access control scheme was designed and implemented by Wietse
       Venema. The pam_access PAM module was developed by Alexei Nogin <alexei@nogin.dnttm.ru>.
       The IPv6 support and the network(address) / netmask feature was developed and provided by
       Mike Becher <mike.becher@lrz-muenchen.de>.

Linux-PAM Manual			    06/04/2011				    PAM_ACCESS(8)


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