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NAME | SYNOPSIS | DESCRIPTION | OPTIONS | MODULE TYPES PROVIDED | RETURN VALUES | EXAMPLES | SEE ALSO | AUTHOR | COLOPHON |
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PAM_RHOSTS(8) Linux-PAM Manual PAM_RHOSTS(8)
pam_rhosts - The rhosts PAM module
pam_rhosts.so
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's own copy of the
latter file is used to map "remote-host remote-user" pairs to that
user's 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.
debug
Print debug information.
silent
Don't print informative messages.
superuser=account
Handle account as root.
Only the auth module type is provided.
PAM_AUTH_ERR
The remote host, remote user name or the local user name
couldn't be determined or access was denied by .rhosts file.
PAM_USER_UNKNOWN
User is not known to system.
To grant a remote user access by /etc/hosts.equiv or .rhosts for
rsh add the following lines to /etc/pam.d/rsh:
#%PAM-1.0
#
auth required pam_rhosts.so
auth required pam_nologin.so
auth required pam_env.so
auth required pam_unix.so
rootok(3), hosts.equiv(5), rhosts(5), pam.conf(5), pam.d(5),
pam(8)
pam_rhosts was written by Thorsten Kukuk <[email protected]>
This page is part of the linux-pam (Pluggable Authentication
Modules for Linux) project. Information about the project can be
found at ⟨http://www.linux-pam.org/⟩. If you have a bug report
for this manual page, see ⟨//www.linux-pam.org/⟩. This page was
obtained from the project's upstream Git repository
⟨https://github.com/linux-pam/linux-pam.git⟩ on 2023-12-22. (At
that time, the date of the most recent commit that was found in
the repository was 2023-12-18.) If you discover any rendering
problems in this HTML version of the page, or you believe there is
a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
[email protected]
Linux-PAM Manual 12/22/2023 PAM_RHOSTS(8)
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HTML rendering created 2025-09-06 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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