Global Start IP: This is the starting Inside Global IP Address (IGA). Enter 0.0.0.0 here if you have a dynamic IP address from your ISP.

Global End IP: This is the ending Inside Global IP Address (IGA). This field is N/A for One-to-one, Many-to-One and Server mapping types.

Server Mapping Set: Only available when Type is set to Server.

Select a number from 1 to 10 from the drop-down menu to choose a server set from the NAT

- Address Mapping Rules screen.

Edit Details: Click this link to go to the NAT - Edit Port Mapping rule screen to edit a server set that you have selected in the Server Mapping Set field.

4.2.5 Security

Inbound directions of Packet Filter rules prevent unauthorized computers or applications accessing your local network from the Internet.

You can choose all filter rules by yourself, and the security is offer to some sections: Telnet, FTP, TFTP, Web, SNMP, and Ping.

4.2.6 Dynamic DNS

42