User manual
  Manual Ver1.0 
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6. Security 
The Security section allows the following setting to be configured on the VisionNet 
M505N Gateway:   
  IP Filtering Rules 
  URL Filtering 
  Port Forwarding 
  Port Triggering 
  DMZ Host 
  WAN Access Control 
6.1 – IP Filtering Rules   
Two functions are supported in the IP Filter function of the M505N Gateway: Outgoing 
IP Filtering and Incoming Filtering. 
Incoming IP Filtering 
When the firewall option is enabled on a WAN or LAN interface, all incoming IP traffic 
from the WAN is BLOCKED. However, incoming IP filter rules can be allowed by setting 
up filtering rules. Choose “Add” to configure incoming IP filters. To remove, check the 
item and click “Remove”. 










