B-FOCuS O-4F2PW/O-4G2PW Hardware Installation Manual
02-Oct-2011
ECI Telecom Ltd. Proprietary
27
Rev 0.1
iv)
DMZ and ALG
In DMZ and ALG page, one can do advance NAT configuration like ALG and DMZ
ALG is Application Level Gateway. Its main function is to make necessary processing to the application packets, e.g.
for some special protocol, modify possible IP address or port information in the data of the packets.
DMZ is De-Military Zone, which is a technique for ONU to forward all the packets to/from a specified internal server.
It allows to expose a intranet PC completely to the internet. Or it allows a dedicated IP address, to communicate with
internet user or server freely. It allows more applications to run on dedicated IP address, and dedicated IP address can
receive all connections and files.
Below is the description for the parameters:
Parameter
Description
ALG Config
Select or unselect the protocols to enable ALG function
Save ALG button
Click to save ALG configuration
WAN Connection List
Select to use DMZ function on which WAN link
Enable DMZ
Enable or Disable DMZ function
DMZ IP Address
Input DMZ host IP address
Save DMZ Button
Click to save DMZ Configuration