pam_rhosts

The rhosts PAM module

SYNOPSIS

' pam_rhosts.so 'u pam_rhosts.so

DESCRIPTION

This module performs the standard network authentication for services, as used by traditional implementations of rlogin and rsh etc .

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 " remote-host remote -user "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 .

The module authenticates a remote user (internally specified by the item PAM_RUSER connecting from the remote host (internally specified by the item PAM_RHOST ). Accordingly, for applications to be compatible this authentication module they must set these items prior to calling pam_authenticate() . The module is not capable of independently probing the network connection for such information .

OPTIONS

debug Print debug information .

silent Don (Aqt print informative messages .

superuser= account Handle account as root .

MODULE TYPES PROVIDED

Only the auth module type is provided .

RETURN VALUES

PAM_AUTH_ERR The remote host, remote user name or the local user name couldn (Aqt be determined or access was denied by .rhosts file .

PAM_USER_UNKNOWN User is not known to system .

EXAMPLES

To grant a remote user access by /etc/hosts .equiv or .rhosts for rsh add the following lines to /etc/pam .d/rsh:


.RS 4
#%PAM -1 .0 # auth required pam_rhosts .so auth required pam_nologin .so auth required pam_env .so auth required pam_unix .so
.RE

SEE ALSO

rootok(3), hosts.equiv(5), rhosts(5), pam.conf(5), pam.d(5), pam(8)

AUTHOR

pam_rhosts was written by Thorsten Kukuk <kukuk@thkukuk .de>

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