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The system must not use .forward files.


Overview

Finding ID Version Rule ID IA Controls Severity
V-220101 GEN004580 SV-220101r603266_rule Medium
Description
The .forward file allows users to automatically forward mail to another system. Use of .forward files could allow the unauthorized forwarding of mail and could potentially create mail loops which could degrade system performance.
STIG Date
Solaris 10 X86 Security Technical Implementation Guide 2022-09-07

Details

Check Text ( C-21810r489925_chk )
Search for any .forward files on the system.

# find / -name .forward -print

This is considered a finding if any .forward files are found on the system.
Fix Text (F-21809r489926_fix)
Remove .forward files from the system.

# rm .forward

Update the sendmail.cf file to ignore .forward files by adding
ForwardPath="".