Astak R4020A - User Manual - Manual (Page 61)

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Port Forwarding
This function is used to forward the visitors to the device with a specified IP when
they visit through a specified port.
Item Description
Enable Port Forwarding Check the box to enable the port forwarding function.
IP Address Set the IP address that you want to forward the visitors to.
Protocol
There are 3 types of protocol provided: TCP/UDP, TCP and UDP.
Select one type as you need.
Port Range
Set the range for the ports that will forward to a specified IP
address.
Comment You can add some description as comment.
Current Filter Table
The table lists the forwarded ports you have added.
If you want to remove one or more records, check the “Select”
boxes of the records and click the
button.
If you want to remove all the settings, click the
button.
Click the
button to uncheck all the boxes.
After setting the parameters, please click the button to save the
configurations, or click the button to reset the configurations before you
changed them.