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For systems using DNS resolution, at least two name servers must be configured.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22331 | GEN001375 M6 | SV-38766r1_rule | ECSC-1 | Low |
| Description |
|---|
| To provide availability for name resolution services, multiple redundant name servers are mandated. A failure in name resolution could lead to the failure of security functions requiring name resolution, which may include time synchronization, centralized authentication, and remote system logging. |
| STIG | Date |
|---|---|
| MAC OSX 10.6 Workstation Security Technical Implementation Guide Draft | 2013-01-10 |
Details
| Check Text ( C-37828r1_chk ) |
|---|
| Open a terminal session and use the following command to verify the DNS name servers. grep nameserver /etc/resolv.conf If less than two lines are returned that are not commented out, this is a finding. |
| Fix Text (F-33086r1_fix) |
|---|
| Open a terminal session and use the following command to edit the /etc/resolv.conf and add additional "nameserver" lines until at least two are present. sudo pico /etc/resolv.conf |