Our VPN service uses and requires the following ports for the communication:

  • Windows Desktop, Mac Desktop and Android versions using OpenVPN with TCP and port 443
  • iOS, Mac AppStore and Microsoft Store versions using IPSEC with UDP port 4500 and ESP/UDP on Port 500
  • The communication to the backend API is done with TCP on port 443

Source : Official Avira Brand
Editor by : BEST Antivirus KBS Team

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