Description: This table specifies the IP addresses and port numbers for sessions requested from outside. If this table is empty and NAT is enabled, only packets for sessions initiated from inside are forwarded.

The IP address and the port number of the internal server can be specified individually for each combination of

- protocol (udp/tcp/icmp) - initiating hosts IP address (RemoteAddr, RemoteMask) - called hosts IP address (ExtAddr, ExtMask) - called port number (ExtPort, ExtPortRange)

Entries in the table are created and removed manually by network management.