The ftpusers file must have mode 0640 or less permissive.

From Solaris 9 SPARC Security Technical Implementation Guide

Part of GEN004940

Associated with IA controls: ECLP-1

Associated with: CCI-000225

SV-28413r1_rule The ftpusers file must have mode 0640 or less permissive.

Vulnerability discussion

Excessive permissions on the ftpusers file could permit unauthorized modification. Unauthorized modification could result in Denial of Service to authorized FTP users or permit unauthorized users to access the FTP service.

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Fix text

Change the mode of the ftpusers file to 0640. # chmod 0640 /etc/ftpd/ftpusers

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