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The /etc/resolve.conf file must be group-owned by root, bin, sys or system.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22320 | GEN001363 | SV-44974r1_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 |
|---|---|
| SUSE Linux Enterprise Server v11 for System z | 2015-10-20 |
Details
| Check Text ( C-42385r1_chk ) |
|---|
| Check the group ownership of the resolv.conf file. Procedure: # ls -lL /etc/resolv.conf If the file is not group-owned by root, bin, sys, or system, this is a finding. |
| Fix Text (F-38393r1_fix) |
|---|
| Change the group-owner of the /etc/resolv.conf file to root, bin, sys, or system. Procedure: # chgrp root /etc/resolv.conf |