PAM_WINBIND(7) PAM_WINBIND(7)
NAME
pam_winbind - PAM module for Winbind
DESCRIPTION
This tool is part of the samba(7) suite.
pam_winbind is a PAM module that can authenticate users against the local domain by talking to the
Winbind daemon.
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 con-figuration configuration
figuration file take precedence to those from the configuration file.
debug
Gives debugging output to syslog.
debug_state
Gives detailed PAM state debugging output to syslog.
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, a alias-SID or even a 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 spa-ces. spaces.
ces. 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.
try_first_pass
use_first_pass
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.
use_authtok
Set the new password to the one provided by the previously stacked password module. If this option
is not set pam_winbind will ask the user for the new password.
krb5_auth
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 authentica-tion authentication
tion 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.
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 set with this option. Currently the only supported value is: FILE. In that case a
credential cache in the form of /tmp/krb5cc_UID will be created, where UID is replaced with the
numeric user id. Leave empty to just do kerberos authentication without having a ticket cache
after the logon has succeeded.
cached_login
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.
silent
Do not emit any messages.
SEE ALSO
wbinfo(1), winbindd(8), smb.conf(5)
VERSION
This man page is correct for version 3.0 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 devel-oped. developed.
oped.
This manpage was written by Jelmer Vernooij and Guenther Deschner.
PAM_WINBIND(7)
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