The SMTP service HELP command must not be enabled on AIX.
An XCCDF Rule
Description
<VulnDiscussion>The HELP command should be disabled to mask version information. The version of the SMTP service software could be used by attackers to target vulnerabilities present in specific software versions.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-215417r991589_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
To disable the SMTP service HELP command remove the HELP file using command:
# rm <helpfile_path>