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The SMTP service log file must not have an extended ACL.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22442 | GEN004510 | SV-45862r1_rule | Medium |
| Description |
|---|
| If the SMTP service log file has an extended ACL, unauthorized users may be allowed to access or to modify the log file. |
| STIG | Date |
|---|---|
| SUSE Linux Enterprise Server v11 for System z Security Technical Implementation Guide | 2018-09-19 |
Details
| Check Text ( C-43157r1_chk ) |
|---|
| # more /etc/rsyslog.conf Examine /etc/rsyslog.conf and determine the log file(s) receiving logs for "mail.crit", "mail.debug", mail.*, or "*.crit". Check the permissions on these log files. # ls -lL If the permissions include a '+', the file has an extended ACL. If the file has an extended ACL and it has not been documented with the IAO, this is a finding. |
| Fix Text (F-39243r1_fix) |
|---|
| This fix is applicable to both Postfix and sendmail servers. Remove the extended ACL from the file. # setfacl --remove-all |