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Set up Sophos SSL VPN on macOS

Sophos Firewall

In this guide, we explain how to install the Tunnelblick app on your macOS device to establish an SSL VPN connection to a Sophos XG Firewall.

Info: This tutorial is also available in a version for iOS or Windows. If you want to set up a VPN to your UTM/SG firewall, check out the following guide: Install Sophos SSL VPN Client (Windows) - UTM

Tunnelblick app for Sophos SSL VPN on macOS
Tunnelblick app for Sophos SSL VPN on macOS
Sophos SSL VPN auf macOS einrichten

1. Download and install Tunnelblick

Download the free app Tunnelblick for your Mac and then open the dmg file. Double-click Tunnelblick.app to install the app. You will get a message once Tunnelblick has been successfully installed.

2. Download VPN configuration from XG Firewall

Next, go to the XG Firewall User Portal in your web browser. Log in to the User Portal with your username and password. Switch to the menu item SSL VPN in the navigation and download your VPN configurations as a file via the link Download Configuration for Other OSs. You should find a configuration file with the extension “ovpn” in your download folder.

3. Open Tunnelblick

Then open the Tunnelblick app, which is now in your Applications folder. The Tunnelblick icon should now appear in the menu bar. When you first start the program, you will be greeted with a welcome message informing you that Tunnelblick has not found any VPN configurations on your Mac at the moment. Click the I have configuration files button. After that, another window will appear describing how you can add a configuration to Tunnelblick. Confirm with OK to continue.

4. Add configuration to Tunnelblick

Now drag and drop the “ovpn file” from your download folder onto the Tunnelblick icon. After that you will be asked if you want to install the configuration for all users. Ultimately, you can decide for yourself, but we strongly advise you to choose the option Only for this user. To install the configuration file, you may need to re-enter and confirm your macOS user account password.

Important: Once the configuration file is installed, access the Tunnelblick settings. In order for the VPN connection to be established, it is essential that version 2.3.18 is selected at OpenVPN Version.

SSL VPN settings for Tunnelblick

5. Log in with credentials

Click the Tunnelblick icon in the menu bar and select the VPN profile you just created from the list. To establish a VPN connection, enter only your VPN username and password. Confirm with OK, and the VPN connection will be established in a few seconds.