The need to block ports in Windows® 7
What is the purpose of blocking ports in Windows 7 and what is achieved through it? Learn how to do it properly.
In computer networking, a port can be referred either as physical or virtual connection points. Physical network ports allow to connect cables to computers, modems and other devices. There are different types of ports for computer hardware networking like Ethernet ports, USB ports and serial ports. Virtual ports are part of TCP/IP protocol suite. Virtual ports allow software applications to share hardware resources without interfering with each other. Routers and systems automatically manage network traffic traveling through the virtual ports. Port number is a part of the addressing information used to identify senders and receivers. Port numbers are commonly used in TCP/IP connections. Port numbers allows different applications on the same computer to share network resources simultaneously. You can block particular ports in your Windows 7 operating system.
The need to block a port in Windows 7, its benefits and tips to block ports in Windows 7 are listed below:
- Need to block ports in Windows 7
- Tips to block ports in Windows 7
Need to block ports in Windows 7
Blocking ports in your Windows 7 operating system helps you to restrict any applications from communicating or merely executing. Applications that work on Internet may use specific port numbers. For example port no 123 is used by network time protocol and 135 for remote procedure call. Network administrators need to block a port to allow port numbers of specific applications to be blocked through the Windows firewall.
There are several benefits in blocking specific ports in your Windows 7 operating system. It provides more security to your system. If you are a server administrator, it would help you to minimize traffic in the Internet. You could block unwanted client program for a particular period of time.
To block a particular port in your Windows 7, open Control Panel from the Start menu and select Windows Firewall. Select the advanced settings in the left column of the Firewall window. Now select inbound rules in the left column of the Windows Firewall with Advanced Security window. Select new rule in the right column and select port in the New Inbound Rule Wizard and click next. Set the port settings and Block the connection and then click next.
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