How to unblock ports on Windows PC

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Any PC user may need to unblock ports in Windows. There may be several reasons for this, but the main thing is that with closed ports all programs that are somehow connected to the network do not receive an answer to information. Most often, this procedure is carried out to interact with other players in interactive computer games. Also, open Windows ports constantly use the Viber, Skype and μTorren applications. Consider how to unblock a port on a computer through a firewall in different operating systems.

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How to unblock Windows 10 ports in a firewall

(Using the example of opening a port through a firewall for the popular Minecraft game).
To allow access to the port, you must create rules for outgoing and incoming connections.

  1. Open “Control Panel”:

    Open «Control Panel»

  2. Enter the “System and Security” category:

    Enter the «System and Security» category

  3. Open the “Windows Defender Firewall” menu:

    Open the «Windows Defender Firewall» menu

  4. Press the “Advanced settings” button:

    Press the «Advanced settings» button

  5. Press the “Inbound Rules” and “New Rule…” buttons:

    Press the «Inbound Rules» and «New Rule…» buttons

  6. You can open the port for the program separately (1) or open the computer access to it completely (2). Then press the "Next" button:

    Open the port for the program separately (1) or open the computer access to it completely (2). Then press the «Next» button

  7. Minecraft uses port 25565 and two protocols by default. Create 2 protocol rules (1). Do not select “All local ports” (2). Enter 25565 inline (3). Click the “Next” button:

    Create 2 protocol rules (1). Do not select «All local ports» (2). Enter 25565 inline (3). Click the «Next» button

  8. Put a mar for “Allow the connection” and press the “Next” button once again:

    Put a mark for «Allow the connection» and press the «Next» button

  9. Choose the required profiles to this rule and press the “Next” button then:

    Choose the required profiles to this rule and press the «Next» button

  10. Enter the rule name and its description. To create the rule press the “Finish” button. The same actions could be done with UDP protocol:

    Enter the rule name and its description. To create the rule press the «Finish» button. The same actions could be done with UDP protocol

  11. In the main window, select the "Outbound Rules" and click "New Rule..." Perform the operation described above. At the end of the configuration, you should get 4 rules for port 25565 (2 - for an inbound connection, 2 - for outbound):

    select the «Outbound Rules» and click «New Rule...». Perform the operation described above. At the end of the configuration, you should get 4 rules for port 25565

If the opening in the firewall settings is not enough for operability, you can open ports through antivirus or router.
 

How to unblock port in Windows 7

(Configuration is done in two steps).

First stage.

  1. Open the Start panel in the lower-left corner of the screen. Find the item “All Control Panel Elements”, go to the “Windows Firewall” folder and go to “Advanced Settings”:

    Open the Start panel. Find the item «All Control Panel Elements», go to the «Windows Firewall» folder and go to «Advanced Settings»

  2. The “Inbound Rules” line at the top of the screen will ensure that each port opens. Go to the "Inbound Rules" and then "New Rule...":

    Go to the «Inbound Rules» and then «New Rule...»

Second stage.

  1. In the opened “New Inbound Rule Wizard” window choose the “Rule Type” - “Port”. Press the “Next” button.

    Choose the «Rule Type» - «Port». Press the «Next» button

  2. In the “Protocols and Ports” column, select “Specific local ports”, enter the port number and the range that you want to open. To keep several ports open at once, you should put a hyphen between the numbers. Press the "Next" button:

    In the «Protocols and Ports» column, select «Specific local ports», enter the port number and the range that you want to open. Put a hyphen between the numbers. Press the «Next» button

  3. Next, go to the "Action" column and put a mark on the "Allow the connection" box. Press the “Next” button:

    Go to the «Action» column and put a mark on the «Allow the connection» box. Press the «Next» button

  4. Select profiles for which the rule applies and go further:

    Select profiles for which the rule applies and go further

  5. Type in any rule name and press the “Finish” button:

    Type in any rule name and press the «Finish» button

When the utility performed some actions, it can be completely closed.

How to open port in Centos 7

(Using a Linux server on CentOS is recommended as a web server.)

  1. In the Centos terminal, type in the following commands sequentially:

    In the Centos terminal, type in the following commands sequentially

  2. Restart the “iptables”:

    Restart the «iptables»

After the above recommendations on how to unblock a port on a computer, we proceed to the instructions for unblocking individual ports.

Unblock port 443 and 80. Open port 443 and 80 for work

Opening port 80 and 443 in Windows 10

  1. In the search bar, find the control panel:

    In the search bar, find the control panel

  2. Open the “Windows Defender Firewall” menu:

    Open the «Windows Defender Firewall» menu

  3. Press the “Advanced settings” button:

    Press the «Advanced settings» button

  4. Choose the required category and press the “New Rule…” button:

    Choose the required category and press the «New Rule…» button

  5. Specify the rule for the “Port” and press the “Next” button:

    Specify the rule for the «Port» and press the «Next» button

  6. To open port 443 or configure port 80, you must select the desired protocol type and then enter the data. "Next":

    To open port 443 or configure port 80, you must select the desired protocol type and then enter the data. «Next»

  7. To open the port choose the “Allow the connection” option. Press the “Next” button:

    Choose the «Allow the connection» option. Press the «Next» button

  8. Choose the required profiles and press the “Next” button:

    Choose the required profiles and press the «Next» button

  9. Come up with a name and a short description of the port. Click the “Finish” button:

    Come up with a name and a short description of the port. Click the «Finish» button

After the procedure is complete, port 80 configuration or port 433 unblock will be done.


How to check if port 80 is open

You can check the availability of port 80 using special servers, the so-called online port scanners. To do this, just enter your IP, select the required port and click "Scan / Check":

Enter your IP, select the required port and click «Scan / Check»

Other ports can be checked in the same way.

Unblock port 25565. Open port 25565 for operation

How to open port 25565 is described above in the first instruction for opening a port in Windows 10 for Minecraft, which uses this port by default.

Unblock Port 7777

In most cases, this port is used in enterprise networks and opens through a router.

To do this, in Windows you need to open the “Home Gateway” window, go through the Advanced - NAT - Port Mapping scheme and in the “Settings”, select the “Customization” port type, select the necessary connection interface and protocol. Then enter the port data twice. Click “Submit”.

How to unblock port 7777 step by step guide, as shown below:

Open the «Home Gateway» window, go through the Advanced - NAT - Port Mapping scheme and in the «Settings», select the «Customization» port type, select the necessary connection interface and protocol. Then enter the port data twice. Click «Submit»

Unblock ports 4950 and 4955. Open port 4950 for work

Most often, opening ports 4950 and 4955 is necessary for playing Warframe. Ports are configured immediately after downloading the game.

Go to “Gameplay” in the settings and go to the “Network Ports (UDP)” tab below. Then change the ports to 4950, 4965 and “Confirm”. Restart the game. Also, you can change the region.

How to unblock ports 4950 and 4955, shown below:

Go to «Gameplay» in the settings and go to the «Network Ports (UDP)» tab below. Then change the ports to 4950, 4965 and «Confirm». Restart the game. Also, you can change the region

Open port 20

Open port 20, usually required in the FTP server for active mode, where it is configured by default.

Opening in most cases is carried out through Windows 10 in the firewall (the first description in the article, only specify port 20 data in paragraph 7):

Open port 20, usually required in the FTP server for active mode, where it is configured by default

Step-by-step guide on how to open port 27015

An open port 27015 is required for network activities. The easiest way to configure it is through a router.

How to open port 27015 is shown in the recommendations below:
Go to Network Settings in the “Forwarding” - “Virtual Server” category, select port 27015, then click “Enable All”:

Go to Network Settings in the «Forwarding» - «Virtual Server» category, select port 27015, then click «Enable All»

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