This screen allows you to create a filter rule to identify incoming IP traffic by specifying a new filter name and at least 
one condition below. All of the specified conditions in this filter rule must be satisfied for the rule to take effect. Click 
Apply/Save to save and activate the filter. 
 
  IP Version: Select either IPv4 or IPv6. 
  Protocol: TCP/UDP, TCP, UDP and ICMP are available for your option. 
  Source IP address [/prefix length]: Enter the Internal IP address [/prefix length] to be filtered. 
  Source Port (port or port: port): Specify a port number or a range of ports used by PCs from external network to 
access your internal network. 
  Destination IP address [/prefix length]: Specify the internal network IP address [/prefix length] to be accessed by 
the specified PCs from external network. 
  Destination Port (port or port:port): Specify a port number or a range of ports used by PCs from external network 
to access your internal network. 
MAC Filtering 
A bridge WAN service is needed to configure this service. 
MAC Filtering is only effective on ATM PVCs configured in Bridge mode. FORWARDED means that all MAC layer 
frames will be FORWARDED except those matching with any of the specified rules in the following table. BLOCKED 
means  that  all  MAC  layer  frames  will  be  BLOCKED  except  those  matching  with  any  of  the  specified  rules  in  the 
following table. 
Choose Add or Remove to configure MAC filtering rules. 
 
 
 
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  Warning! 
Changing  from  one  policy  to  another  of  an  interface  will  cause  all  defined  rules  for  that  interface  to  be  REMOVED 
AUTOMATICALLY! You will need to create new rules for the new policy. 
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