Verizon Wireless Intelligent Mobile Hotspot MiFi 2200 - Manual (Page 49)

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Port Filtering
The Security Menu includes the Port Filtering screen.
Port filtering blocks outgoing Internet connections. You can set a list of Allowed Applications to only
allow certain programs to connect to the Internet.
Enable Port Filtering
This checkbox enables or disables the Port Filtering feature.
When the feature is enabled (checked), you must select a port filtering application in the Allowed
Applications list to allow that application to connect to the Internet. For example, if you select VPN
in the Allowed Applications list but do not select HTTP, you can connect to a VPN server but you
cannot connect to a web page using your Internet browser.
When the feature is disabled (un-checked), any application can connect to the Internet.