3Com 3CRWE554G72T User Guide - Page 76
Special Application Settings, Application Name - open
UPC - 662705481685
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76 CHAPTER 5: ROUTER CONFIGURATION trigger port and incoming port(s), where traffic on the trigger port tells the firewall to open the incoming ports. Each defined Special Application only supports a single computer user, and up to 10 Special Applications can be defined. Any incoming ports opened by a Special Application trigger will be closed after five minutes of inactivity. To configure special applications: 1 Click New to display the Special Application Settings screen (Figure 56). Figure 56 Special Application Settings Screen 2 Either: ■ Select the application from the Choose Application drop-down list, or ■ Select Other to specify an Application Name for the special application and then enter a value in the Trigger Port and Incoming Ports text boxes (Figure 57). These values correspond to the outbound port numbers issued by the application. The port numbers are specified using a comma-separated list, with hyphens to denote port number ranges. So for example, entering 2, 3, 5-7 would cause ports 2, 3, 5, 6, and 7 to be activated. The Router will automatically allow FTP and NetMeeting sessions. You do not need to configure these as Special Applications.