U.S. Cellular® 4G LTE™ Router (LG2200D)
Block Services from the Internet
Services are functions that server computers perform at the request of client computers. For example, web servers serve web pages, time servers serve time and date information, and game hosts serve data about players’ moves. When a computer on the Internet sends a request for service to a server computer, a port number identifies the requested service. This number displays as the destination port number in the transmitted IP packets. For example, a packet that is sent with the destination port number 80 is an HTTP (web server) request.
The Internet Engineering Task Force (IETF at http://www.ietf.org/) defines service numbers for many common protocols and they are published in RFC1700, “Assigned Numbers.” Authors of the applications typically choose service numbers from the range
The Block Services screen lets you add and block specific Internet services by computers on your network. This is called service blocking or port filtering. To add a service for blocking, first find out which port number or range of numbers the application uses.
To block services:
1.Launch an Internet browser from a computer or wireless device that is connected to the network.
2.Enter http://www.routerlogin.net or http://www.routerlogin.com. A login screen displays.
3.Enter the router user name and password.
The user name is admin. The default password is password. The user name and password are
The BASIC Home screen displays.
4.Select ADVANCED > Security > Block Services.
5.Specify when to block the services:
•To block the services all the time, select the Always radio button.
•To block the services based on a schedule, select the Per Schedule radio button.
Control Access to the Internet
27
