Rosewill RNX-N400LX 用户手册

Port filtering is use to restrict the flow of data packets flow by controlling different ports 

from your local network to Internet through this router. Use of such filters can be helpful 

in securing or restricting your local network. 

 

Click to enable the port filtering security function. 

To restrict data transmission from the local network on certain ports, 
fill in the range of start-port and endport, and the protocol, also put 
your comments on it.  
 
The Protocol can be TCP, UDP or Both.  
 
Comments let you know about whys to restrict data from the ports. 

Click the Apply Changes button to complete the new configuration 
setting. 

Click the Reset button to abort change and recover the previous 
configuration setting. 

Click to delete the selected port range that will be removed from the 
port-filtering list. 

Click to delete all the registered entries from the port-filtering list. 

Click the Reset button to abort change and recover the previous 
configuration setting. 

 

IP filtering is use to restrict the flow of data packets flow by controlling the IP from your 

local network to Internet through this router. Use of such filters can be helpful in securing 

or restricting your local network. 

 

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