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The /etc/resolv.conf file must have mode 0644 or less permissive.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22321 | GEN001364 M6 | SV-38079r1_rule | ECLP-1 | Medium |
| Description |
|---|
| The resolv.conf (or equivalent) file configures the system's DNS resolver. DNS is used to resolve host names to IP addresses. If DNS configuration is modified maliciously, host name resolution may fail or return incorrect information. DNS may be used by a variety of system security functions, such as time synchronization, centralized authentication, and remote system logging. |
| STIG | Date |
|---|---|
| MAC OSX 10.6 Workstation Security Technical Implementation Guide | 2012-01-30 |
Details
| Check Text ( C-37451r1_chk ) |
|---|
| Open a terminal session and enter the following command to verify the permissions on the file. ls -Ll /etc/resolv.conf If the permissions are not set to 644, this is a finding. |
| Fix Text (F-32697r1_fix) |
|---|
| Open a terminal session and enter the following command to set permissions on the file. chmod 644 /etc/resolv.conf |