There must be no .rhosts or hosts.equiv files on the system.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-219547	OL6-00-000019	SV-219547r793804_rule		High

Description
Trust files are convenient, but when used in conjunction with the R-services, they can allow unauthenticated access to a system.

STIG	Date
Oracle Linux 6 Security Technical Implementation Guide	2021-12-03

Details

Check Text ( C-21272r358181_chk )
The existence of the file "/etc/hosts.equiv" or a file named ".rhosts" inside a user home directory indicates the presence of an Rsh trust relationship. If these files exist, this is a finding.

Fix Text (F-21271r358182_fix)
The files "/etc/hosts.equiv" and "~/.rhosts" (in each user's home directory) list remote hosts and users that are trusted by the local system when using the rshd daemon. To remove these files, run the following command to delete them from any location. # rm /etc/hosts.equiv $ rm ~/.rhosts