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Internet Usage Filters > Managing access to categories and protocols
Managing access to categories and protocols
Administrator Help | TRITON AP-WEB and Web Filter & Security | Version 8.0.x
Related topics:
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When a category or protocol is blocked
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New Master Database categories and protocols
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Special categories
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Risk classes
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Security protocol groups
The Websense Master Database organizes similar websites (identified by URLs and IP addresses) into categories. Each category has a descriptive name, like Adult Material, Peer-to-Peer File Sharing, or Spyware. You can also create your own, custom categories to group sites of particular interest to your organization (see Creating a custom category). Together, the Master Database categories and user-defined categories form the basis for policy enforcement.
Websense, Inc., does not make value judgments about categories or sites in the Master Database. Categories are designed to create useful groupings of the sites of concern to subscribing customers. They are not intended to characterize any site or group of sites or the persons or interests who publish them, and they should not be construed as such. Likewise, the labels attached to Websense categories are convenient shorthand and are not intended to convey, nor should they be construed as conveying, any opinion or attitude, approving or otherwise, toward the subject matter or the sites so classified.
The up-to-date list of Master Database categories is available from websense.com.
To suggest that a site be added to the Master Database, or that a site be moved from one category to another, go to support.websense.com and click Site Lookup Tool. You are prompted to log on to MyWebsense, then given access to the tool, which allows you to verify the current category assigned to a site and request a new category.
When you create a category filter, you choose which categories to block and which to permit.
In addition to housing URL categories, the Websense Master Database includes protocol groups used to manage non-HTTP Internet traffic. Each protocol group defines similar types of Internet protocols (like FTP or IRC) and applications (like MSN Messenger or BitTorrent). The definitions are verified and updated as frequently as nightly.
As with categories, you can define custom protocols for use in policies.
The up-to-date list of Master Database protocols is available from websense.com.
When you create a protocol filter, you choose which protocols to block and which to permit.
 
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Note 
With TRITON AP-WEB, it is possible to filter non-HTTP protocols that tunnel over HTTP ports using Content Gateway (see Configuring tunneled protocol detection). You can also use Network Agent to enable policy enforcement for additional protocols.
In Websense Web Filter & Security deployments, Network Agent must be installed to enable protocol-based policy enforcement.
The hybrid service does not enforce protocol filters.
Some Websense-defined protocols allow blocking of outbound Internet traffic destined for an external server—for example, a specific instant messaging server. Only Websense-defined protocols with dynamically-assigned port numbers can be blocked as outbound traffic.

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Internet Usage Filters > Managing access to categories and protocols
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