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 | Chapter 30 Content Filtering | 
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 | Table 142 Configuration >  | |
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 | LABEL | DESCRIPTION | 
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 | Content Servers | This category includes servers that provide commercial hosting | 
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 | for a variety of content such as images and media files. These | 
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 | types of servers are typically used in conjunction with other web | 
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 | servers to optimize content retrieval speeds. | 
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 | Non Viewable | This category includes servers with  | 
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 | offensive content or resources used by applications, but not | 
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 | directly viewable by web browsers. It includes but is not limited | 
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 | to Web analytics sites (such as visitor tracking and ranking | 
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 | sites) and content filtering systems. | 
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 | Web Hosting | This category includes pages of organizations that provide top- | 
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 | level domain pages, as well as web communities or hosting | 
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 | services. | 
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 | Web Applications | This category includes pages with interactive,  | 
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 | business applications. It excludes email, chat/IM or other sites | 
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 | that have a specific content category. | 
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 | Information Related | 
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 | Education | This category includes pages that offer educational information, | 
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 | distance learning and trade school information or programs. It | 
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 | also includes pages that are sponsored by schools, educational | 
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 | facilities, faculty, or alumni groups. | 
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 | News/Media | This category includes pages that primarily report information | 
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 | or comments on current events or contemporary issues of the | 
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 | day. It also includes radio stations and magazines. It does not | 
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 | include pages that can be rated in other categories. | 
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 | Reference | This category includes pages containing personal, professional, | 
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 | or educational reference, including online dictionaries, maps, | 
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 | census, almanacs, library catalogues,  | 
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 | and scientific information. | 
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 | Search Engines/ | This category includes pages that support searching the | 
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 | Portals | Internet, indices, and directories. | 
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 | Translation | This category includes pages that allow translation of text | 
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 | (words, phrases, web pages, between various languages) or | 
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 | that can be used to identify a language. | 
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 | Test Web Site Category | 
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 | URL to test | You can check which category a web page belongs to. Enter a | 
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 | web site URL in the text box. | 
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 | Test Against Local | Click this button to see the category recorded in the ZyWALL’s | 
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 | Cache | content filtering database for the web page you specified (if the | 
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 | database has an entry for it). | 
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 | Test Against Content | Click this button to see the category recorded in the external | 
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 | Filter Category Server | content filter server’s database for the web page you specified. | 
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 | OK | Click OK to save your changes back to the ZyWALL. | 
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 | Cancel | Click Cancel to exit this screen without saving your changes. | 
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| ZyWALL USG 20/20W User’s Guide | |
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