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Chapter 5: Web Configuration 
 53
To have a user define firewall setting, please select Advanced (User Define) firewall and click Apply. There are two 
selections for packet filtering rules appeared to ask you choosing one. Please choose the one you want and click 
Configure
 
You have to select the interface from one of the radio buttons and click Configure. Later, in the next page, a button 
named Create a new filtering rule will appear. Click on this button to get into next page. 
 
Example 
Here provides you the way and the result of creating a new filtering rule. This is just an example and just for your 
reference. 
If you want enable the firewall and access into PPTP server for some reason, you can: 
 Set the protocol type as TCP and set the port range value start point as 1723, or 
 Set the protocol type as User Defined and set the number as 47
After you click the Create a new filtering rule button, the following screen will appear. Please fill in the boxes and 
click Apply to close this screen.