The port of the internet side which you want to forward to LAN side. 
Is Forwarded 
to IP Address 
The device’s IP on the LAN side which you want to forward the data to. 
The device’s port on the LAN side which you want to forward the data 
to. 
Select from “TCP”, “UDP” or “TCP&UDP” which depends on the 
application. 
DMZ  host  is  a  host  on  the  internal  network  that  has  all  ports  exposed, 
except those ports otherwise forwarded. 
Select to enable the DMZ function.   
Enter the IP address of the DMZ host which on the internal network. 
Set  the  address  which  can  talk  to  the  DMZ  host.  Null  means  for  any 
addresses. 
 
 
 
3.13 Configuration -> Firewall 
This section allows users to set the firewall parameters. 
Filter Basic Settings 
Filter Basic Settings @ Firewall 
Enable to allow users to access the router remotely on the internet