Firewall Requirements for Proper Functionality of Avast Business Antivirus

To enable the Avast Business Antivirus client and On-Premise Management Consoles to authenticate/update and for overall functionality, it is necessary to allow certain URLs/addresses through your Firewall/Proxy server.

Ports: TCP & UDP

  • 80
  • 443
  • 5222


  • 123

Antivirus and Management Console Client URLS:

  • *
  • *


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