You add filtered services--in addition to proxied services--to control and monitor the flow of IP packets through the Firebox. Services can be configured for outgoing and incoming traffic, and they can be active or inactive. When you configure a service, you set the allowable traffic end points and determine the filter rules and policies for each of these services. You can also create services to customize rule sets, destinations, protocols, ports used, and other parameters. With both packet filters and proxies, you can determine which hosts within your LAN and on the Internet can communicate with each other through that protocol, which events to log (such as rejected incoming packets), and which series of events should initiate a notification of the network administrator.
Related topics:
Selecting Services for your Security Policy Objectives
Adding and Configuring Services
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