Check the check box next to delete this rule.
Click Apply.
To allow DNS queries to pass through
Navigate to the Firewall tab, Policy section of the web-administration.
Select the appropriate policy based on desired effect (LAN->WAN or DMZ->WAN).
Click Add New at the bottom of the list.
Give the rule a friendly name, such as dns_out.
Position does not matter, leave blank or choose a position.
Choose Allow as the Action.
For service choose dns_all.
Select a schedule and enable IDS/IDP if desired.
Click Apply to save the changes, or click Cancel to disregard.