Chapter 6 Network Address Translation (NAT)
Basic Home Station VDSL2 P8701T User’s Guide
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Note: Many residential broadband ISP accounts do not allow you to run any server
processes (such as a Web or FTP server) from your location. Your ISP may
periodically check for servers and may suspend your account if it discovers any
active services at your location. If you are unsure, refer to your ISP.
Figure 37 NAT Virtual Servers
The following table describes the labels in this screen.
6.3.1 The Virtual Servers Add Screen
This screen lets you create or edit a virtual server rule. Click Add in the Virtual Servers screen to
open the following screen.
You may enter a single port number or a range of port numbers to be forwarded, and the local IP
address of the desired server. The port number identifies a service; for example, web service is on
port 80 and FTP on port 21. In some cases, such as for unknown services or where one server can
support more than one service (for example both FTP and web service), it might be better to
specify a range of port numbers. You can allocate a server IP address that corresponds to a port or
a range of ports.
Table 31 NAT Virtual Servers
LABEL DESCRIPTION
Add Click this button to create a new entry.
Remove Select entries and click the Remove button to delete them.
Server Name This field displays the name of the service used by the packets for this virtual server.
External Port
Start
This is the first external port number that identifies a service.
External Port
End
This is the last external port number that identifies a service.
Protocol This show whether the virtual server applies to TCP traffic, UDP traffic, or both.
Internal Port
Start
This is the first internal port number that identifies a service.
Internal Port End This is the last internal port number that identifies a service.
Server IP
Address
This field displays the inside IP address of the server.
WAN Interface This field displays the WAN interface through which the service is forwarded.
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