ZyXEL P-662H-D3 User Guide - Page 200
Configuring Web Site Filters
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Chapter 13 Content Access Control 13.2.2.1 Available Services The Available Services list box in the Services screen displays some predefined services that the ZyXEL Device supports. The following table shows a list of services that can be configured. Next to the name of the service, two fields appear in brackets. The first field indicates the IP protocol type (TCP, UDP, or ICMP). The second field indicates the IP port number that defines the service. (Note that there may be more than one IP protocol type. For example, look at the default configuration labeled "(DNS)". (UDP/TCP:53) means UDP port 53 and TCP port 53. See Appendix F on page 423 for more information on commonly used services. 13.2.3 Configuring Web Site Filters Use this screen to enable content filtering and to configure URL keyword blocking for a user group. Click Edit under Web Browsing in the Content Access Control: General screen. A screen displays as shown next. Figure 115 Content Access Control: General: Web Site Filter 200 P-662H/HW-D Series User's Guide
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