SMC Networks Barricade SMC7004AWBR, Руководство пользователя

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Configuring the Wireless Barricade
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Virtual Server
If you configure the Wireless Barricade 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 addresses (LAN IP
Addresses). In other words, depending on the requested service
(TCP/UDP port number), the Wireless Barricade redirects the
external service request to the appropriate server (located at
another internal IP address).
For example, if you set Protocol Type /Public Port to TCP/80
(HTTP or Web) and the LAN IP Address/LAN Port to
192.168.2.2/80, then all HTTP requests from outside users will
be transferred to 192.168.2.2 on port 80. Therefore, by just
entering the IP Address provided by the ISP, Internet users can
access the service they need at the local address to which you
redirect them.