TeleWell TW-3G, Руководство пользователя

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4.3. Forwarding Rules
Forwarding Rules > 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. Virtual Server can
work with Scheduling Rules, and give user more flexibility on Access control.
For Details, please refer to Scheduling Rules.
For example, if you have an FTP server (port 21) at 192.168.0.100, a Web
server (port 80) at 192.168.0.101, and a VPN server at 192.168.0.102 (port
1723), then you need to specify the following virtual server mapping table:
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