In Red Hat Enterprise Linux 4 and 5, why does rlogin/rsh not treat "+" in hosts.equiv?

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The files of ~/.rhosts and /etc/hosts.equiv allows or deny hosts and users to use the r-commands (e.g. rlogin, rsh) without supplying a password.

In traditional Unix/Linux system, putting a "+ " in files of ~/.rhosts and /etc/hosts.equiv mean "every user" on "every machine" can access this account without password. But in Red Hat E...

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