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Sendmail logging must not be set to less than nine in the sendmail.cf file.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-835 | GEN004440 | SV-63747r1_rule | Low |
| Description |
|---|
| If Sendmail is not configured to log at level 9, system logs may not contain the information necessary for tracking unauthorized use of the sendmail service. |
| STIG | Date |
|---|---|
| Oracle Linux 5 Security Technical Implementation Guide | 2020-02-25 |
Details
| Check Text ( C-52327r1_chk ) |
|---|
| If the "sendmail" package is not installed, this is not applicable. Check if sendmail logging is set to level nine: Procedure: for sendmail: # grep "O L" /etc/mail/sendmail.cf OR # grep LogLevel /etc/mail/sendmail.cf If logging is set to less than nine, this is a finding. for Postfix: This rule is not applicable to postfix which does not use "log levels" in the same fashion as sendmail. |
| Fix Text (F-54337r1_fix) |
|---|
| Edit the sendmail.cf file, locate the "O L" or "LogLevel" entry and change it to 9. |