3Com 3CRWE554G72T User Guide - Page 75

Special Applications, Virtual Server Settings, Apply, Special Apps, Authorized Application

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Figure 54 Custom Setup Screen Firewall 75 Click Add to return to the Virtual Server Settings screen. 4 Click Apply to save the settings. 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. Special Applications Figure 55 Special Applications Screen Select Special Apps tab to display Authorized Application setup screen. (Figure 55) Some software applications require special or multiple connections to the Internet and these would normally be blocked by the firewall. For example Internet Telephony or Video conferences require multiple connections. So that these special applications can work properly and are not blocked, the firewall needs to be told about them. In each instance there will be a

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Firewall
75
Figure 54
Custom Setup Screen
Click
Add
to return to the
Virtual Server Settings
screen.
4
Click
Apply
to save the settings.
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.
Special Applications
Figure 55
Special Applications Screen
Select
Special Apps
tab to display
Authorized Application
setup screen.
(
Figure 55
)
Some software applications require special or multiple connections to the
Internet and these would normally be blocked by the firewall. For
example Internet Telephony or Video conferences require multiple
connections.
So that these special applications can work properly and are not blocked,
the firewall needs to be told about them. In each instance there will be a