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If sendmail is not required on AIX, the sendmail service must be disabled.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-91331 | AIX7-00-003047 | SV-101429r1_rule | Medium |
| Description |
|---|
| The sendmail service has many historical vulnerabilities and, where possible, should be disabled. If the system is not required to operate as a mail server i.e. sending, receiving or processing e-mail, disable the sendmail daemon. |
| STIG | Date |
|---|---|
| IBM AIX 7.x Security Technical Implementation Guide | 2020-02-24 |
Details
| Check Text ( C-90485r1_chk ) |
|---|
| From the command prompt, execute the following command: # grep "^start[[:blank:]]/usr/lib/sendmail" /etc/rc.tcpip If the above command produces any output, this is a finding. |
| Fix Text (F-97529r1_fix) |
|---|
| In "/etc/rc.tcpip", comment out the "sendmail" entry by running command: # chrctcp -d sendmail |