Huawei Technologies Proprietary 
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Figure 3-22 IP filters configuration 
Description of this configuration page is as follows: 
  For Status, you can enable or disable the IP filter function. 
  For  Name, enter a name for the IP filter rule for easier 
identification. 
  For Action, you can select Allow to permit packets from the 
specified IP address to pass through HG520. To refuse 
packets from a specified IP address to pass through HG520, 
you can select Deny. 
  For Source Interface, if you select LAN, the filter rule will 
apply to packets from the specified range of IP address of 
your LAN. 
If you select WAN, the filter rule will apply to packets form 
the specified range of IP addresses of the WAN side. 
If you select both, the filter rule will apply to packets from 
both sides.