Then click ‘Virus Chest’ and find the program you would like to whitelist. To do this, open the Avast user interface and go to the tab titled ‘Protection’. This will allow you to specifically tell Avast to allow the program to run on your computer. The best way to stop Avast from blocking a program is to add it to the Avast whitelist. How do I stop Avast from blocking a program? The Avast Network Shield also uses ports 21 and 25 to monitor for FTP, SMTP and POP3 email traffic. Additionally, for applications that require access to the internet, ports 1024 and above may be opened. What ports does Avast?Īvast uses port 443 for HTTPS, port 4125 for the update server, port 4126 for the mobile management server, and ports 1-65535 for the Firewall service. You should now be able to access the port through the Avast firewall. Choose the Allow option and then click the OK button to save the changes. Now you can input the port number you want to use (make sure to leave out any colons or other symbols).įinally, Avast will prompt you to select the action for the incoming connection.

You can now set the Program and the Profile for your rule.įor the Program, select the Other option as it allows you to add a custom port. Choose the Custom Rules option from the left-side menu and then click the Add button. The next step is to add the port(s) you want to allow. Click on it to open the list of currently installed applications. On this page, you will see an Allow an App through the Firewall option. You can open the Firewall tab from the list of options. In the Avast user interface, you will see a number of tabs. How To Fix iPhone Screen Rotation Not Working

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