User's Manual

Section 4 – Troubleshooting
D-Link DSL-2740E User Manual
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Access Control List IPv6
You can specify what services are accessible form LAN or WAN parts. Entries
in this ACL table are used to permit certain types of data packets from your local
network or Internet network to the Gateway. Using of such access control can
be helpful in securing or restricting the Gateway management.
Select direction, LAN ACL Switch and click Apply to save the settings.
In ACL settings, please enter the IP address range and check which service to
configure. Then click Add to create a new rule.
Port Forwarding
Choose ADVANCED > Port Forwarding. The page shown in the right figure
appears.
This function is used to open ports in your device and re-direct data through
those ports to a single PC on your network (WAN-to-LAN traffic). It allows remote
users to access services on your LAN, such as FTP for file transfers. The device
accepts remote requests for these services at your global IP address. It uses the
specified TCP or UDP protocol and port number, and redirects these requests to
the server on your LAN with the LAN IP address which within the available range
of the subnet where the device is in.
Enter an IP address in the WAN IP address field when IP Address is selected in
WAN settings or select the interface name
The Ports show the ports that you want to open on the device. The TCP/UDP
means the protocol type of the opened ports.
Click Add to create a new rule.