Edimax Technology AR-7211B V2 manual FTP ALG Port, 5.6.2.8, NAT IP Mapping, Field, Description

If the application you want to set up is not listed, click the User-defined Application Name radio button and type in a name for the trigger in the Custom application field. Configure the Start Match Port, End Match Port, Trigger Protocol, Start Relate Port, End Relate Port, Open Protocol and Nat type settings for the port trigger you want to configure.

Click the Apply changes button to finish the setting.

5.6.2.7. FTP ALG Port

Click FTP ALG Port in the left pane to display the following screen. The common port for FTP connection is port 21, and a common ALG monitors the TCP port 21 to ensure NAT pass-through of FTP. By enabling this function, when the FTPserver connection port is not a port 21, the FTP ALG module will be informed to monitor other TCP ports to ensure NAT pass-through of FTP.

	Field	Description
FTP ALG port		Set an FTP ALG port.
Add Dest Ports		Add a port configuration.
Delete	Selected	Delete a selected port configuration from the list.
DestPort
5.6.2.8.	NAT IP Mapping

NAT is short for Network Address Translation. The Network Address Translation Settings window allows you to share one WAN IP address for multiple computers on your LAN.Click NAT IP Mapping in the left pane, the page shown in the following figure will appear.

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