How to close ports in Windows 7?

Have you done a port scan and realized that there are many open ports on your system? If you want to close open ports in Windows 7 you will need to configure your firewall.


Closing Ports in Windows 7

Why some open ports are required
Many programs require open ports for communication with the outside world. How for example do you think does Bittorrent or your e-Mail software work? Exactly, specific ports are opened to transfer data via a specific internet protocol (Transmission Control Protocol (TCP),  User Datagram Protocol (UDP) or IP (Internet Protocol).

Built-in Windows 7 firewall
So, if don’t want to give up your mail software or torrent client, you need a reliable firewall that will filter you network traffic and also close down open ports that are not needed. The built-in Windows 7 firewall is capable of closing ports:

Launch the firewall settings, then under advanced you will be able to edit the port policies and close ports in Windows 7.

Advanced Firewall Settings

The firewall already have many pre-definied rules how to handle specific connections, e.g. DNS (Port 53) or HTTP (Port 80), DHCP (Port 67).

Close Ports in Windows 7

A professional firewall can help you to close ports, some even provide a stealth mode that won’t allow people from the outside to find the ports. A

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- Cheers!


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Oliver is the founder and lead editor of this site. He is interested in finding new ways to break Windows, find common errors and help others to fix them. Aside from that, he loves to fully customize systems with Rainmeter and Dreamscene, find out more about ancient civilizations like the Chachapoya, sharpen his digital photography skills and create software with a small group of selected developers. If you would like to connect with him to discuss anything, send him a mail!

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