If you want to make an exception and that a program to communicate through Windows Firewall, Tumanual advises you to read this tutorial, the explains how to do it the safest way.

By default, most programs are blocked by Windows Firewall to help make your computer more secure. For proper operation, some programs may need to allow them to communicate through the firewall. You can do the following:

1. To open Windows Firewall, click the Start button, Control Panel on Security and then Windows Firewall.

2. In the left pane, click Allow a program through Windows Firewall. Administrator permission required If you are prompted for an administrator password or confirmation, type the password or provide confirmation.

3. Check the box next to the program you want to allow, and then click OK.
Before allowing a program to run through the firewall must understand the risks involved.

Note: When you create an exception or open a port on a firewall, you allow a particular program through the firewall to send information from your computer or intended for it. Allowing a program to communicate through a firewall (which is sometimes called unblocking) is like opening a little door in the firewall.

Every time you create an exception or open a port for a program to communicate through a firewall, your computer is somewhat less secure. The higher the number of exceptions or open ports in the firewall, more opportunities will hackers or malicious software to use some of those openings to spread a worm, access to files or use your computer to spread malicious software to other computers .

Generally, it is safer to create a program exception to open a port. If you open a port remains open until you close it, whether or not you use a program. If you create an exception, the door opens only when necessary for a particular communication.

To help reduce security risks:

You only need to create an exception or open a port when it is really necessary, and remove exceptions or close ports no longer needed.

No one ever thinks exception or open a port for a program does not recognize.

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