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The ftpusers file must be group-owned by root, bin, or sys.


Overview

Finding ID Version Rule ID IA Controls Severity
V-227858 GEN004930 SV-227858r603266_rule Medium
Description
If the ftpusers file is not group-owned by root or a system group, an unauthorized user may modify the file to allow unauthorized accounts to use FTP.
STIG Date
Solaris 10 X86 Security Technical Implementation Guide 2022-09-07

Details

Check Text ( C-30020r489967_chk )
Check the group ownership of the ftpusers file.

Procedure:
# ls -lL /etc/ftpd/ftpusers /etc/vsftpd.ftpusers /etc/vsftpd/ftpusers

If the file is not group-owned by root, bin, or sys, this is a finding.
Fix Text (F-30008r489968_fix)
Change the group owner of the ftpusers file.

Procedure:
# chgrp root /etc/ftpusers