User`s guide

Data - Special Applications Screen
Name
Enter a descriptive name to identify this Special Application.
Incoming
Ports
• Type - Select the protocol (TCP or UDP) used when you receive
data from the special application or service. (Note: Some applica-
tions use different protocols for outgoing and incoming data).
• Start - Enter the beginning of the range of port numbers used by
the application server, for data you receive. If the application
uses a single port number, enter it in both the "Start" and "Finish"
fields.
• Finish - Enter the end of the range of port numbers used by the
application server, for data you receive.
Outgoing
Ports
• Type - Select the protocol (TCP or UDP) used when you send
data to the remote system or service.
• Start - Enter the beginning of the range of port numbers used by
the application server, for data you send to it. If the application
uses a single port number, enter it in both the "Start" and "Finish"
fields.
• Finish - Enter the end of the range of port numbers used by the
application server, for data you send to it. If the application uses
a single port number, enter it in both the "Start" and "Finish"
fields.
Using a Special Application
• Configure the Special Applications screen as required.
• On your PC, use the application normally. Remember that only one (1) PC can
use each Special application at any time. Also, when 1 PC is finished using a par-
ticular Special Application, there may need to be a "Time-out" before another PC
can use the same Special Application. The "Time-out" period may be up to 3 min-
utes.
If an application still cannot function correctly,
try using the "DMZ" feature.
DMZ
• The "DMZ" PC will receive all "Unknown" connections and data. This feature is
normally used with applications which do not usually work when behind a Firewall.
• The DMZ PC is effectively outside the Firewall, making it more vulnerable to
attacks. For this reason, you should only enable the DMZ feature when required.
• If Enabled, you must select the PC to be used as the "DMZ" PC.
Select the desired option
• Disabled - DMZ is disabled.
• Enabled- The selected PC is a standard PC on your LAN, but it will receive any
"unknown" connections and data, as described above.
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