How To Open Com Port In Windows 7
When y'all use a firewall — and you should — you modify the way your computer communicates with other computers on the Internet. The firewall blocks all incoming communications unless you lot open a port in the Windows firewall to let a specific IP communicate with your estimator. For case, if you lot want to play many online games.
Most start-time firewallers are overwhelmed by the thought of opening a port. Although open ports are a security threat, sometimes you truly need to open up one. Still, yous may need to open up a port to enable a specific application. For case, when you select the check box to allow Remote Desktop, you're opening port 3389. That'southward the security toll you lot pay for enabling programs to talk to each other.In general, if y'all demand to open a specific port, the documentation for the program (game, torrent downloader, file sharer) will tell you . . . assuming you lot read the program'due south transmission.
Choose Starting time→Control Panel. Click the System and Security link and and so click Windows Firewall.
Y'all see the chief Windows Firewall control window.
On the left, click the Advanced Settings link.
You come across the Windows Firewall sanctum sanctorum.
On the left, click Inbound Rules. Then, on the right, nether Deportment, click the New Dominion link.
Windows Firewall shows you the New Inbound Rule Wizard.
Select the option marked Port and click Next.
The magician asks you lot to specify which ports.
In the Specific Local Ports box, type the ports you lot want to open, separated by commas, then click Side by side.
For example, in this case, the TCP ports that need to exist opened are 418, 419, 420, and 421. The wizard takes action and opens those ports to receive data.
Choose Let the Connection and click Next.
The New Inbound Rule Magician wants to know whether information technology should apply this dominion if you're connected to a domain network, a individual network, or a public network. The safest choice is to arrive but open on your home network.
Bank check the boxes for Private or any other desired network blazon, and and so click Next.
The wizard asks that you give the dominion a proper noun and, optionally, a description.
Blazon a name (usually the name of any programme required the opening). Click Finish.
Your new dominion appears in the Inbound Rules list. It takes effect immediately.
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Source: https://www.dummies.com/article/technology/computers/operating-systems/windows/windows-10/how-to-open-a-port-in-the-windows-7-firewall-206351/
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