ViewSonic WR100 User Manual page 47

you want to change the range of ports, enter the new numbers
in the Blocking Services fields, or edit the service's settings.
To add a service or edit a service's settings
(1). Click the Add Service button.
(2). To create a new service, enter the name of the service in
the Service Name field. To edit a service's settings, select
the service from the box on the right of the screen.
(3). From the Protocol drop-down menu, select the protocol
type for this service: ICMP, UDP, TCP, or UDP & TCP.
(4). In the Port Range fields, enter the range of ports for this
service.
(5). To add a service, click the Add button. To edit the settings
for a service, click the Modify button.
(6). To delete a service, select the service from the box on the
right of the screen. Click the Delete button.
(7). Click the Apply button to save your changes. Click the
Cancel button to undo your changes. Click the Close
button to close the Add Service window.
9
If you want to block websites with specific URL addresses,
enter each URL address in a Website Blocking by URL Address
field. You can enter up to four URL addresses. (This feature is
not available if you chose Inbound Traffic for the Policy Type.)
10
If you want to block websites that use specific keywords as part
of their URL addresses, enter each keyword in a Website
ViewSonic Wireless Router 43