Justin Georgeson writes:
> I may just be a goober, but I can't seem to get the whole rhosts thing working.
> I've read the docs on PAM, and the rsh module looks like it supports rhosts.
> Could someone tell me the format for /etc/hosts.equiv and ~/.rhosts.
By any chance is your umask 02 rather than 022? If so be sure you
chmod g-w,o-w the file.
For more info, I'll attach a copy of the BSD manpage below.
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HOSTS.EQUIV(5) BSD Programmer's Manual HOSTS.EQUIV(5)
NAME
hosts.equiv, .rhosts - files listing trusted remote hosts and users
DESCRIPTION
The hosts.equiv and .rhosts files list authorized hosts and users for the
rsh(1), rcp(1), and rlogin(1) commands and the rcmd(3) library routine.
All of these use the ruserok(3) library routine to perform ``authentica-
tion.'' The files specify remote hosts and users that are trusted (i.e.,
which may bypass the standard password authentication mechanism). Care
should be taken when setting up these files to maintain system security!
The hosts.equiv file is searched first, followed by the .rhosts file in
desired user's home directory. The format for entries is:
hostname [username]
In the hosts.equiv file, an entry of the form:
hostname
indicates that users from the specified host may access the local host
with the same login name used on the remote host. Entries of the form:
hostname username
in the hosts.equiv file indicate that the specified user on the specified
remote host may access the local host as any user.
In .rhosts files, entries of the form:
hostname
indicate that the user on the specified host with the username corre-
sponding to the local user can access the local host. Entries of the
form:
hostname username
indicate that the specified user on the remote host can access the local
host as this user (with a different user name).
The ruserok(3) routine requires the authentication files be writable only
by the user being authenticated or root. If the files are writable by
other users or groups, authentication will fail.
The hosts.equiv file is not used to authenticate root access; only the
.rhosts file in root's home directory is used for root. Login access for
root also requires that the incoming tty be ``secure'' (see ttys(5)).
FILES
/etc/hosts.equiv The hosts.equiv file resides in /etc.
$HOME/.rhosts User specific access file.
SEE ALSO
ruserok(3), rcmd(3), rcp(1), rsh(1), rlogin(1)
January 3, 1994 1
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