Advantek Networks Wireless LAN 802.11g/b, 54Mbps/2.4GHz Broadband Router with Firewall Support Network Router User Manual


 
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3.5 NAT
Virtual Server
If you configure the Wireless Broadband Router as a virtual server, remote users
accessing services such as Web or FTP at your local site via public IP addresses can be
automatically redirected to local servers configured with private IP address. In other words,
depending on the requested service (TCP/UDP port number), the Wireless Broadband Router
redirects the external service request to the appropriate server.
Example:
ID Private IP Private Port Type Public Port Comment
1 192.168.2.20 80 TCP 200 Web Server
2 192.168.2.12 21 TCP 333 FTP Server
3 192.168.2.28 23 TCP 455 Telnet Server
Private IP: This is the LAN client/host IP address that the Public Port number packet will be
sent to.
Private Port: This is the port number (of the above Private IP host) that the below Public Port