Changes are coming to https://stigviewer.com.
Take our survey to help us understand your usage and how we can better serve you in the future.
Take Survey
The SMTP service HELP command must not be enabled.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-12006 | GEN004540 | SV-35059r2_rule | Medium |
| Description |
|---|
| 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. |
| STIG | Date |
|---|---|
| HP-UX 11.31 Security Technical Implementation Guide | 2018-03-01 |
Details
| Check Text ( C-36569r2_chk ) |
|---|
| Verify that the Help command is disabled in Sendmail: # ls -al /etc/mail/helpfile If the file does not exist, this is not a finding. If the help file does exist, verify that the file is empty: # cat /etc/mail/helpfile If the help file is not empty, this is a finding. |
| Fix Text (F-11266r3_fix) |
|---|
| To disable the SMTP HELP command, remove or empty the Sendmail help file: /etc/mail/helpfile. |