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MCSA/MCSE Self-Paced Training Kit (Exam 70-270): Installing ...

MCSA/MCSE Self-Paced Training Kit (Exam 70-270): Installing ...

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Page<br />

15-62<br />

Troubleshooting Lab<br />

Questions and Answers<br />

15-69<br />

1. What do you suspect might be interfering with the network traffic from the custom<br />

application?<br />

Most likely, it is Windows Firewall that is interfering because it drops all unsolicited traffic by<br />

default unless you create an exception.<br />

2. How would you solve this problem?<br />

Although it would be tempting to disable Windows Firewall for the demonstration, a better solution<br />

is to create an exception on the target computer that allows the custom application to connect.<br />

This solution has the added advantage of showing Greta’s customers how the application<br />

can work even when Windows Firewall is enabled. Because the application is not installed on<br />

the target computer, you must create an exception on the computer that allows the traffic on<br />

the particular port used by the application. To do this, you must know the port or ports that the<br />

application uses.

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