About firewall rule network services triggers

Article:HOWTO80716  |  Created: 2012-10-24  |  Updated: 2014-09-21  |  Article URL http://www.symantec.com/docs/HOWTO80716
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About firewall rule network services triggers

Network services let networked computers send and receive messages, share files, and print. A network service uses one or more protocols or ports to pass through a specific type of traffic. For example, the HTTP service uses ports 80 and 443 in the TCP protocol. You can create a firewall rule that allows or blocks network services. A network service trigger identifies one or more network protocols that are significant in relation to the described network traffic.

When you define TCP-based or UDP-based service triggers, you identify the ports on both sides of the described network connection. Traditionally, ports are referred to as being either the source or the destination of a network connection.

See Adding network services to the default network services list

See Permitting clients to browse for files and printers in the network.

See Managing firewall rules.

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