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PAM_WINBIND.CONF(5) | 5 | PAM_WINBIND.CONF(5) |
NAME¶
pam_winbind.conf - Configuration file of PAM module for WinbindDESCRIPTION¶
This configuration file is part of the samba(7) suite. pam_winbind.conf is the configuration file for the pam_winbind PAM module. See pam_winbind(8) for further details.SYNOPSIS¶
The pam_winbind.conf configuration file is a classic ini-style configuration file. There is only one section (global) where various options are defined.OPTIONS¶
pam_winbind supports several options which can either be set in the PAM configuration files or in the pam_winbind configuration file situated at /etc/security/pam_winbind.conf. Options from the PAM configuration file take precedence to those from the pam_winbind.conf configuration file. debug = yes|noGives debugging output to syslog. Defaults to
"no".
debug_state = yes|no
Gives detailed PAM state debugging output to
syslog. Defaults to "no".
require_membership_of = [SID or NAME]
If this option is set, pam_winbind will only
succeed if the user is a member of the given SID or NAME. A SID can be either
a group-SID, an alias-SID or even an user-SID. It is also possible to give a
NAME instead of the SID. That name must have the form:
MYDOMAIN\\mygroup or MYDOMAIN\\myuser. pam_winbind will, in that
case, lookup the SID internally. Note that NAME may not contain any spaces. It
is thus recommended to only use SIDs. You can verify the list of SIDs a user
is a member of with wbinfo --user-sids=SID. This setting is empty by
default.
try_first_pass = yes|no
By default, pam_winbind tries to get the
authentication token from a previous module. If no token is available it asks
the user for the old password. With this option, pam_winbind aborts with an
error if no authentication token from a previous module is available. If a
primary password is not valid, PAM will prompt for a password. Default to
"no".
krb5_auth = yes|no
pam_winbind can authenticate using Kerberos
when winbindd is talking to an Active Directory domain controller. Kerberos
authentication must be enabled with this parameter. When Kerberos
authentication can not succeed (e.g. due to clock skew), winbindd will
fallback to samlogon authentication over MSRPC. When this parameter is used in
conjunction with winbind refresh tickets, winbind will keep your Ticket
Granting Ticket (TGT) uptodate by refreshing it whenever necessary. Defaults
to "no".
krb5_ccache_type = [type]
When pam_winbind is configured to try kerberos
authentication by enabling the krb5_auth option, it can store the
retrieved Ticket Granting Ticket (TGT) in a credential cache. The type of
credential cache can be controlled with this option. The supported values are:
KEYRING (when supported by the system's Kerberos library and Kernel),
FILE and DIR (when the DIR type is supported by the system's
Kerberos library). In case of FILE a credential cache in the form of
/tmp/krb5cc_UID will be created - in case of DIR you NEED to specify a
directory. UID is replaced with the numeric user id.
When using the KEYRING type, the supported mechanism is
“KEYRING:persistent:UID”, which uses the Linux kernel keyring to
store credentials on a per-UID basis. This is the recommended choice on latest
Linux distributions, as it is the most secure and predictable method.
It is also possible to define custom filepaths and use the "%u"
pattern in order to substitue the numeric user id. Examples:
krb5_ccache_type = DIR:/run/user/%u/krb5cc
Leave empty to just do kerberos authentication without having a ticket cache
after the logon has succeeded. This setting is empty by default.
cached_login = yes|no
This will create a credential cache file in
the specified directory.
krb5_ccache_type = FILE:/tmp/krb5cc_%u
This will create a credential cache
file.
Winbind allows to logon using cached
credentials when winbind offline logon is enabled. To use this feature
from the PAM module this option must be set. Defaults to "no".
silent = yes|no
Do not emit any messages. Defaults to
"no".
mkhomedir = yes|no
Create homedirectory for a user on-the-fly,
option is valid in PAM session block. Defaults to "no".
warn_pwd_expire = days
Defines number of days before pam_winbind
starts to warn about passwords that are going to expire. Defaults to 14
days.
SEE ALSO¶
pam_winbind(8), wbinfo(1), winbindd(8), smb.conf(5)VERSION¶
This man page is correct for version 3 of Samba.AUTHOR¶
The original Samba software and related utilities were created by Andrew Tridgell. Samba is now developed by the Samba Team as an Open Source project similar to the way the Linux kernel is developed. This manpage was written by Jelmer Vernooij and Guenther Deschner.02/24/2015 | Samba 4.0 |