3. Check the option Enable Port Filtering to enable the port
filtering.
4. Enter53 and 53in PortRange field.
5. From the Protocol drop-down list, select UDPsetting.
6. EnterDNS Resolve in Comment field.
7. Click Save & Apply.
8. Now the port filter that you created has been added and
listed in the Current Filter Table.
9. Now the UDP port 80 for both Outbound and Inbound
packet has been denied.
Now you cannot visit any web site by domain due to the UDP
port 53 has been blocked by the Port Filtering rule that created.
You can enter the IP Address of that web site to visit.
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