If you cannot access the Barracuda SSL VPN web interface on macOS clients when using Safari version 10, or above, configure the Java plug-in to run in unsafe mode.
Before you begin
Verify that the browser settings must be changed. Launch the Barracuda SSL VPN agent so that you can configure it in the browser´s Java plug-ins list. When the Barracuda SSL VPN application cannot launch because of your browser´s settings, a window opens and displays the program path. In this case, you must change the Java security settings.
Change the Java security settings on Safari 10.0
Configure the Java plug-in of your Safari browser to run in unsafe mode for the Barracuda SSL VPN:
- Open the Safari browser.
- Go to Preferences > Security.
- In the Internet plug-ins section, click Manage Website Settings.
- In the left pane, click Java to open the settings for Java plug-ins.
- In the main pane, depending on the operating system version, select On or Allow for the Barracuda SSL VPN entry.
- From the list that appears, select Run in Unsafe Mode, or (depending on your system)
Hold Alt (or Option), click the drop down menu next to the SSL VPN entry, and unselect Run in Safe Mode. - When a window opens and asks if you trust the Barracuda SSL VPN website, click Trust.
In the settings window, a yellow triangle now displays with a warning that Java is running in unsafe mode for some websites. - Click Done to exit the configuration.
You can now launch the Barracuda SSL VPN agent and access the web interface on your macOS client.
Run Java in Unsafe Mode on Safari 11
To make SSL VPN work correctly using Safari 11, download and install JRE 8, enable Java for the SSL VPN portal, and configure your browser to allow the Java plugin to run in unsafe mode.
- Download and install JRE 8 on your macOS Safari.
- Open the Safari browser.
- Go to Preferences > Websites.
- In the Plug-ins section, select the updated Java plugin.
- Expand the drop-down menu next to the SSL VPN portal URL, and select ON to allow the website to use the plugin.
- Hold Alt (or Option), click the drop down menu next to the SSL VPN entry, and unselect Run in Safe Mode.
- When a window opens and asks if you trust the Barracuda SSL VPN website, click Trust.
- In the settings window, a yellow triangle now displays with a warning that Java is running in unsafe mode for some websites.
- Exit the configuration.
You can now launch the Barracuda SSL VPN agent and access the web interface on your macOS client.