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+'\" t
+.\"     Title: pam_rhosts
+.\"    Author: [see the "AUTHOR" section]
+.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
+.\"      Date: 09/03/2021
+.\"    Manual: Linux-PAM Manual
+.\"    Source: Linux-PAM Manual
+.\"  Language: English
+.\"
+.TH "PAM_RHOSTS" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual"
+.\" -----------------------------------------------------------------
+.\" * Define some portability stuff
+.\" -----------------------------------------------------------------
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.\" http://bugs.debian.org/507673
+.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
+.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+.ie \n(.g .ds Aq \(aq
+.el       .ds Aq '
+.\" -----------------------------------------------------------------
+.\" * set default formatting
+.\" -----------------------------------------------------------------
+.\" disable hyphenation
+.nh
+.\" disable justification (adjust text to left margin only)
+.ad l
+.\" -----------------------------------------------------------------
+.\" * MAIN CONTENT STARTS HERE *
+.\" -----------------------------------------------------------------
+.SH "NAME"
+pam_rhosts \- The rhosts PAM module
+.SH "SYNOPSIS"
+.HP \w'\fBpam_rhosts\&.so\fR\ 'u
+\fBpam_rhosts\&.so\fR
+.SH "DESCRIPTION"
+.PP
+This module performs the standard network authentication for services, as used by traditional implementations of
+\fBrlogin\fR
+and
+\fBrsh\fR
+etc\&.
+.PP
+The authentication mechanism of this module is based on the contents of two files;
+/etc/hosts\&.equiv
+(or and
+~/\&.rhosts\&. Firstly, hosts listed in the former file are treated as equivalent to the localhost\&. Secondly, entries in the user\*(Aqs own copy of the latter file is used to map "\fIremote\-host remote\-user\fR" pairs to that user\*(Aqs account on the current host\&. Access is granted to the user if their host is present in
+/etc/hosts\&.equiv
+and their remote account is identical to their local one, or if their remote account has an entry in their personal configuration file\&.
+.PP
+The module authenticates a remote user (internally specified by the item
+\fIPAM_RUSER\fR
+connecting from the remote host (internally specified by the item
+\fBPAM_RHOST\fR)\&. Accordingly, for applications to be compatible this authentication module they must set these items prior to calling
+\fBpam_authenticate()\fR\&. The module is not capable of independently probing the network connection for such information\&.
+.SH "OPTIONS"
+.PP
+\fBdebug\fR
+.RS 4
+Print debug information\&.
+.RE
+.PP
+\fBsilent\fR
+.RS 4
+Don\*(Aqt print informative messages\&.
+.RE
+.PP
+\fBsuperuser=\fR\fB\fIaccount\fR\fR
+.RS 4
+Handle
+\fIaccount\fR
+as root\&.
+.RE
+.SH "MODULE TYPES PROVIDED"
+.PP
+Only the
+\fBauth\fR
+module type is provided\&.
+.SH "RETURN VALUES"
+.PP
+PAM_AUTH_ERR
+.RS 4
+The remote host, remote user name or the local user name couldn\*(Aqt be determined or access was denied by
+\&.rhosts
+file\&.
+.RE
+.PP
+PAM_USER_UNKNOWN
+.RS 4
+User is not known to system\&.
+.RE
+.SH "EXAMPLES"
+.PP
+To grant a remote user access by
+/etc/hosts\&.equiv
+or
+\&.rhosts
+for
+\fBrsh\fR
+add the following lines to
+/etc/pam\&.d/rsh:
+.sp
+.if n \{\
+.RS 4
+.\}
+.nf
+#%PAM\-1\&.0
+#
+auth     required       pam_rhosts\&.so
+auth     required       pam_nologin\&.so
+auth     required       pam_env\&.so
+auth     required       pam_unix\&.so
+      
+.fi
+.if n \{\
+.RE
+.\}
+.sp
+.SH "SEE ALSO"
+.PP
+\fBrootok\fR(3),
+\fBhosts.equiv\fR(5),
+\fBrhosts\fR(5),
+\fBpam.conf\fR(5),
+\fBpam.d\fR(5),
+\fBpam\fR(8)
+.SH "AUTHOR"
+.PP
+pam_rhosts was written by Thorsten Kukuk <kukuk@thkukuk\&.de>