802.11n
Wireless
ADSL
2/2+
Router
ADN
‐
4102
53
When you have finished, click the
Apply changes
button.
3.6.2.6 FTP ALG Port
FTP uses two communication channels, one for control commands and one for the actual files being
transferred. When an FTP session is opened, the FTP client establishes a TCP connection (the control
channel) to (usually) port 21 on the FTP server. What happens after this point depends on the mode of
FTP being used.
The following table describes the parameters:
Field
Description
FTP ALG port
Set an FTP ALG port.
Add Dest. Ports
Add a port configuration.
Delete Selected Dest. Port Delete a selected port configuration from the list.
3.6.2.7 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 and the page shown in the following figure appears.
