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Mail relaying must be restricted.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-38622 | RHEL-06-000249 | SV-50423r2_rule | Medium |
| Description |
|---|
| This ensures "postfix" accepts mail messages (such as cron job reports) from the local system only, and not from the network, which protects it from network attack. |
| STIG | Date |
|---|---|
| Red Hat Enterprise Linux 6 Security Technical Implementation Guide | 2017-04-28 |
Details
| Check Text ( None ) |
|---|
| None |
| Fix Text (F-43572r1_fix) |
|---|
| Edit the file "/etc/postfix/main.cf" to ensure that only the following "inet_interfaces" line appears: inet_interfaces = localhost |