w2kusers.deny(4) [osf1 man page]

w2kusers.deny(4)					     Kernel Interfaces Manual						  w2kusers.deny(4)

NAME

       w2kusers.deny - Authentication file for Windows 2000 Single Sign On.

SYNOPSIS

       # Comment account_name

DESCRIPTION

       The  w2kusers.deny is a text file containing a list of user account names.  When an account is included in this file, the Windows 2000 Sin-
       gle Sign-On software verifies only the UNIX authentication for the named account.

       To add user accounts to the file, use a text editor to enter the user's UNIX  account  name.  The  following  syntax  rules  apply  to  the
       w2kusers.deny  file:  Only  one	user  name can be entered on a line.  The user name must exactly match a user name in the UNIX /etc/passwd
       file.  Comment lines begin with a pound sign (#).

EXAMPLES

       The following example shows a typical w2kusers.deny file: # The following file lists account names that are not allowed to use #  the  Win-
       dows  2000  authentication  information	when it is enabled.  # Account names must match exactly the user account name in the # /etc/passwd
       file.  # # Syntax: account_1 #		 .  #		 .  #		 .  #	      account_n # root	nobody	nobodyV  daemon  bin  uucp
       uucpa auth cron lp tcb adm ris wnn pop imap Peter Dave Beth Martha

FILES

       Location of the file.

RELATED INFORMATION

       Commands: ldapcd(8), lw2ksetup(8)

       Files: etc/w2kusers.deny(4)

       Windows 2000 Single Sign-OnInstallation and Administration Guide.
       delim off delim off

																  w2kusers.deny(4)

PAM_WHEEL(8)							 Linux-PAM Manual						      PAM_WHEEL(8)

NAME

       pam_wheel - Only permit root access to members of group wheel

SYNOPSIS

       pam_wheel.so [debug] [deny] [group=name] [root_only] [trust]

DESCRIPTION

       The pam_wheel PAM module is used to enforce the so-called wheel group. By default it permits root access to the system if the applicant
       user is a member of the wheel group. If no group with this name exist, the module is using the group with the group-ID 0.

OPTIONS

       debug
	   Print debug information.

       deny
	   Reverse the sense of the auth operation: if the user is trying to get UID 0 access and is a member of the wheel group (or the group of
	   the group option), deny access. Conversely, if the user is not in the group, return PAM_IGNORE (unless trust was also specified, in
	   which case we return PAM_SUCCESS).

       group=name
	   Instead of checking the wheel or GID 0 groups, use the name group to perform the authentication.

       root_only
	   The check for wheel membership is done only.

       trust
	   The pam_wheel module will return PAM_SUCCESS instead of PAM_IGNORE if the user is a member of the wheel group (thus with a little play
	   stacking the modules the wheel members may be able to su to root without being prompted for a passwd).

MODULE TYPES PROVIDED

       The auth and account module types are provided.

RETURN VALUES

       PAM_AUTH_ERR
	   Authentication failure.

       PAM_BUF_ERR
	   Memory buffer error.

       PAM_IGNORE
	   The return value should be ignored by PAM dispatch.

       PAM_PERM_DENY
	   Permission denied.

       PAM_SERVICE_ERR
	   Cannot determine the user name.

       PAM_SUCCESS
	   Success.

       PAM_USER_UNKNOWN
	   User not known.

EXAMPLES

       The root account gains access by default (rootok), only wheel members can become root (wheel) but Unix authenticate non-root applicants.

	   su	   auth     sufficient	   pam_rootok.so
	   su	   auth     required	   pam_wheel.so
	   su	   auth     required	   pam_unix.so

SEE ALSO

       pam.conf(5), pam.d(5), pam(7)

AUTHOR

       pam_wheel was written by Cristian Gafton <gafton@redhat.com>.

Linux-PAM Manual						    05/31/2011							      PAM_WHEEL(8)