1.\" $NetBSD: pam_deny.8,v 1.5 2013/08/20 22:44:37 wiz Exp $ 2.\" Copyright (c) 2001 Mark R V Murray 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" 26.\" $FreeBSD: src/lib/libpam/modules/pam_deny/pam_deny.8,v 1.4 2001/08/15 20:05:30 markm Exp $ 27.\" 28.Dd August 21, 2013 29.Dt PAM_DENY 8 30.Os 31.Sh NAME 32.Nm pam_deny 33.Nd Deny PAM module 34.Sh SYNOPSIS 35.Op Ar service-name 36.Ar module-type 37.Ar control-flag 38.Pa pam_deny 39.Op Ar options 40.Sh DESCRIPTION 41The deny authentication service module for PAM 42provides functionality for all the PAM categories: 43authentication, 44account management, 45session management and 46password management. 47In terms of the 48.Ar module-type 49parameter, these are the 50.Dq Li auth , 51.Dq Li account , 52.Dq Li session , 53and 54.Dq Li password 55features. 56.Pp 57The Deny module 58will universally deny all requests. 59It is primarily of use during testing, 60and to 61.Dq null-out 62unwanted functionality. 63.Pp 64The following options may be passed to the module: 65.Bl -tag -width ".Cm no_warn" 66.It Cm debug 67.Xr syslog 3 68debugging information at 69.Dv LOG_DEBUG 70level. 71.It Cm no_warn 72suppress warning messages to the user. 73These messages include 74reasons why the user's 75authentication attempt was declined. 76.It Cm prelim_ignore 77for password management 78.Dq ( Li password 79feature), return 80.Dv PAM_IGNORE 81in the preliminary phase. 82This allows the module to be used (with the 83.Dq Li required 84flag) at the end of a chain of 85.Dq Li sufficient 86modules with this service 87(where the entire chain is in fact run twice). 88.El 89.Sh SEE ALSO 90.Xr syslog 3 , 91.Xr pam.conf 5 , 92.Xr pam 8 93