42D-Link DWR-933 User Manual
Section 3 - Conguration
If you selected Add New IP Filter:
Add IP Filter
Protocol
Source IP
Subnet
Source Port Number
Source Port Range
Dest IP
Destination Port 
Number
Destination Port Range
Select the protocol for ports that you want to allow or 
deny access to. Choose between TC P,  UDP or ICMP 
or all of the above.
Enter the source IP address that you wish to lter.
Enter the subnet mask of the source IP address you 
wish to lter.
Enable this feature if you wish enter a single port or a 
range of ports to be ltered based on origin. Disabling 
this feature will cause all incoming connection tting 
other criteria to be ltered.
Enter an incoming port range to which your lter will 
apply.
Type in the destination IP address. Leave this blank 
to apply your lter to incoming connections to any 
destination IP
Click the toggle if you wish enter a single port or a 
range of ports to be ltered. Separate port numbers 
with a comma.
Enter a destination port range to which your lter 
will apply.