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4.5.1 Virtual Server
This product's NAT firewall filters out unrecognized packets to protect your Intranet, so all hosts behind
this product are invisible to the outside world. If you wish, you can make some of them accessible by
enabling the Virtual Server Mapping.
A virtual server is defined as a Service Port, and all requests to this port will be redirected to the
computer specified by the Server IP.
For example, if you have an FTP server (port 21) at 192.168.123.1, a Web server (port 80) at
192.168.123.2, and a VPN server at 192.168.123.6, then you need to specify the following virtual server
mapping table:
Service Port
Server IP
21
192.168.123.1
80
192.168.123.2
1723
192.168.123.6
Enable
V
V
V
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