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 configura-
tion files or in the pam_winbind configuration file situated at /etc/secu-
rity/pam_winbind.conf. Options from the PAM configuration 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 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.
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 mod-
ule. If this option is not set pam_winbind will ask the user for the new pass-
word.
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 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.
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. Cur-
rently 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 developed.
This manpage was written by Jelmer Vernooij and Guenther Deschner.
PAM_WINBIND(7)
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