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HomeCommon ProblemFix: Windows 11 Firewall blocks printer

Firewall monitors network traffic and can block network connections for certain programs and hardware.

Windows 11 includes its own Windows Defender Firewall that may block printer access to the web.

As a result, affected users are unable to use their Brother printers when blocked by the firewall. Keep in mind that this issue affects other brands as well, but today we’ll show you how to fix it.

Why is my Brother printer blocked by the firewall?

There are several causes for this issue, you will most likely need to open certain ports before your printer can access the network.

Printer software can also cause problems, so be sure to update it as well as your printer driver. Read on to learn how to do this.

What should I do if my printer is blocked by Windows 11 Firewall?

1. Turn off Windows Firewall

  1. OpenWindows Search.
  2. Type firewall and select Windows Defender Firewall.
    修复:Windows 11 防火墙阻止打印机
  3. Click Turn Windows Defender Firewall on or off to open the options shown directly below.
    修复:Windows 11 防火墙阻止打印机
  4. Then select the two Turn off Windows Defender Firewall radio buttons to turn off WDF.
    修复:Windows 11 防火墙阻止打印机
  5. Press the OK button.

2. Set the inbound rules for the printer port

  1. Open Windows search.
  2. Type firewall and select Windows Defender Firewall with Advanced Security.
    修复:Windows 11 防火墙阻止打印机
  3. Next, click Inbound Rules in the window shown directly below.
    修复:Windows 11 防火墙阻止打印机
  4. Select New Rule on the right to open the New Inbound Rule Wizard.
    修复:Windows 11 防火墙阻止打印机
  5. Select the Port option and click the Next button.
    修复:Windows 11 防火墙阻止打印机
  6. Select UDP and a specific local port. Enter 54925 as the required port.
    修复:Windows 11 防火墙阻止打印机
  7. Press the Next button.
  8. Select the Allow connection option and click the Next button.
    修复:Windows 11 防火墙阻止打印机
  9. Check all profile checkboxes and click the Next button.
    修复:Windows 11 防火墙阻止打印机
  10. Enter a title for the new rule. Users can also add some additional rule details in additional text boxes.
  11. Press the Complete button.
  12. Repeat the above steps to set up two more inbound rules for Brother port numbers 137 (for printing and remote setup) and 54926 (network PC fax).
修复:Windows 11 防火墙阻止打印机
Notes These instructions are for Brother printers, so if you use another brand, you may need to adjust the port number.

3. Install the latest printer software and drivers

  1. Visit the printer manufacturer’s website.
  2. Find your model on the website.
    修复:Windows 11 防火墙阻止打印机
  3. Download the latest drivers now.
    修复:Windows 11 防火墙阻止打印机
  4. After downloading the drivers, install them.

Downloading drivers manually can be a tedious process, especially if you don't know your printer model or how to download the latest drivers.

Luckily, there are tools like DriverFix that can help you. The software will scan your system for any outdated or missing drivers and let you update them with just one click.

By using this software, you can rest assured that all your devices will function properly and always be up to date.

⇒Get DriverFix

4. Check the file and printer sharing firewall permission settings

  1. Open Windows Firewall.
  2. Click Allow an app or feature through Windows Defender Firewall.
    修复:Windows 11 防火墙阻止打印机
  3. Press the Change Settings button.
    修复:Windows 11 防火墙阻止打印机
  4. Check all checkboxes for File and Printer Sharing settings.
    修复:Windows 11 防火墙阻止打印机
  5. Select to confirm the option.

How to allow a printer through the firewall on Windows 11?

To allow a printer through the firewall, it is crucial to know what port the printer is using. You can find this information in your printer manual.

After that, you just create custom rules in the firewall and allow these ports to access the web.

If Windows 11 Firewall is blocking your printer, you should be able to resolve the issue by following the instructions mentioned in this tutorial.

You may be experiencing other issues with your printer, to resolve this issue visit our Printer Not Working on Windows 11 tutorial.

The above is the detailed content of Fix: Windows 11 Firewall blocks printer. For more information, please follow other related articles on the PHP Chinese website!

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