3.3.3.1 Table of current virtual server entries
Sometimes, there are many servers located in the LAN side and wish to be accessed by any remote host. However, they cannot be accessed directly because of NAT. We could use Virtual Server to let remote hosts access internal servers. In this configuration page, you can enter a public port that is bound on a server in the LAN interface. For example, FTP server's public port is 21, Telnet server's public port is 23, and HTTP server's public port is
80.After that, you should offer a host that maps to this public port. In configuration figure below, you can map port 21 to the host whose IP address is 192.168.1.101 and the remote host can access FTP server in the LAN interface by accessing 211.21.83.14 through FTP client application installed in the remote host itself. When you access
Protocol - Select the protocol type the server provides?
Chapter 3 Configuration - 17
