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The DHCP client must not send dynamic DNS updates.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22549 | GEN007850 | SV-38963r1_rule | ECSC-1 | Medium |
| Description |
|---|
| Dynamic DNS updates transmit unencrypted information about a system including its name and address and should not be used unless needed. |
| STIG | Date |
|---|---|
| AIX 6.1 Security Technical Implementation Guide | 2014-09-29 |
Details
| Check Text ( None ) |
|---|
| None |
| Fix Text (F-32346r1_fix) |
|---|
| Configure the system's DHCP client to not send dynamic DNS updates. Remove / comment updateDNS lines from the /etc/dhcpcd.ini and /etc/dhcpc.opt files. |