Planet Technology VRT-401G - Manual (Page 63)

Protocol
This allows you to select UDP, TCP or both protocol
types you want to block.
Port Range
It can be assigned up to five port ranges. The router will
block clients from accessing Internet services that use
these ports.
Apply Changes
Click “Apply Changes” to save the setting.
Reset
Click “Reset” to clear all fields.
Click <Apply Changes> at the bottom of the screen to save the above configurations. You can
now configure other advance sections or start using the router (with the advance settings in place)
Example: Access Control
In the example below, LAN client A can only access websites that use Port 80. However, LAN
client B is able to access websites and any other service that uses ports between 80 and 999.
2.7.2 URL Blocking
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