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Chapter 4 - ProxyServer Software
Changing WAN Port Parameters
The ProxyServer is designed to provide the flexibility needed to meet today's application needs. The
WAN Setup dialog provides the controls for WAN configuration. The basic controls offered in the
Mode and Connection Method groups are described in detail in your on-line Help system. The Link
Control (Dial-on-demand) and Advanced tab are discussed in some detail.
The Link Control group allows you to control the conditions and parameters of the traffic on the
WAN port. Using the Enable and Idle Time features, you can cause the ProxyServer to drop the
connection on the selected WAN port after a specified duration without activity (as defined in the Idle
Time field). The default setting is enabled (checked) with an idle time of 10 minutes. If you do not
wish to use this option, click to disable (uncheck) it.
The Port Type group (in the WAN Setup dialog) is used to configure the ports for specific
applications. The default settings for this group are Dial Out only and Proxy Enable.
This default setting works if you are setting up the WAN port to communicate with the Internet. If this
is the case, the WAN port must be enabled and the Port Type group configured for Dial Out Only or
Dial Out/In and the Proxy Enable option selected. As mentioned earlier, the Internet Setup dialog
box is used to configure the Internet Link Control Protocol, i.e., call connection and handshaking.
The Asynchronous Gateway (AG Enable) feature can be used on WAN ports configured as Dial Out
only or Dial Out/In. This feature is used to enable the ProxyServer to have a port available for a
remote user running a communications package to gain access to an available port on the
ProxyServer and dial out. When you enable this feature the Asynchronous Gateway group (at the
bottom of the dialog) becomes active. Refer to the on-line Helps for a description of features in this
group.
The WAN ports can also be configured for remote access (RAS Enable) with either the Dial In Only
or Dial Out/In option enabled. If enabled, you must enable Remote Access and enter the WAN port
IP address in the IP Setup dialog box. This ensures that the selected WAN port and the Remote
Address assigned to it are in the same LAN segment. The remote IP address is assigned to the
remote user.
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