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

http://iasecontent.disa.mil/stigs/zip/U_RedHat_5_V1R18_STIG.zip

Item Details

Category: CONFIGURATION MANAGEMENT

References: 800-53|CM-6b., CAT|II, CCI|CCI-000366, Group-ID|V-22549, Rule-ID|SV-26933r2_rule, STIG-ID|GEN007850, Vuln-ID|V-22549

Plugin: Unix

Control ID: 16ddb441e633ed808d4daa19cc00f5ca4b0f45b2f3bce102047e2ce5f5399c16