Detections
Analytics

GEN007850 - The DHCP client must not send dynamic DNS updates.

Information

Dynamic DNS updates transmit unencrypted information about a system including its name and address and should not be used unless needed.

Solution

Edit or add the '/etc/dhclient.conf' file and add or edit the 'do-forward-updates' setting to false.

Procedure:
# echo 'do-forward-updates false;' >> /etc/dhclient.conf

See Also

https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_Oracle_Linux_5_V2R1_STIG.zip

Item Details

Category: CONFIGURATION MANAGEMENT

References: 800-53|CM-6b., CAT|II, CCI|CCI-000366, Rule-ID|SV-218686r603259_rule, STIG-ID|GEN007850, STIG-Legacy|SV-63409, STIG-Legacy|V-22549, Vuln-ID|V-218686

Plugin: Unix

Control ID: 50dd88a47c2ab5c23246aeaf25f18f863b528a7c6f0ed9348b618543af634b96