This means that a default network route is not configured for the VPN tunnel, so unless you plan on fiddling with routing tables yourself the VPN is simply not going to be used by your network traffic even if it connects correctly. The converter script statically sets the option IgnoreDefaultRoute to true in the ONC file it generates. Step 3: I played around quite a while before I figured this one out. Note: Again, according to my tests the ONC importer won’t accept a configuration without a name. Step 2: I assigned a name to the VPN profile by changing the line that says 'Name': null to 'Name': 'ProtonVPN via ONC'. It appears that an ONC file with only the Password field, as created by the conversions script, is not accepted by the importer. Note: I did some limited tests to see which of these fields are strictly required for the ONC import to work correctly. The username and password should be the special OpenVPN credentials provided by ProtonVPN, as described here. I changed the file to include my username and password, as well as the UserAuthenticationType setting as per the docs. onc file, you’ll see that the converter simply adds not_used in that place. Step 1: If you search for the setting Password in the converted. I will report this to the ProtonVPN guys as soon as I’m done with this post, so it may be fixed soon. This name doesn’t even resolve in DNS - the correct one appears to be uk. Step 0: For some probably unintentional reason, the ProtonVPN configuration file for the UK shows the server name as gb. oncĪfter this, I had to make several changes to the file before things started to work. Fortunately Steve Woodrow created a simple Python conversion script that saves a lot of work with this step. ovpn file I downloaded from ProtonVPN to the ONC format. The Chromium project has its own format called ONC, but OpenVPN configuration files end in. One of the main issues is that the visual configuration dialogs don’t support all the options OpenVPN offers, and which are used by configuration files such as those supplied by ProtonVPN and other VPN providers. However, it turns out that OpenVPN doesn’t actually work with Chromebooks quite as easily as it should - long discussions are easily found, solutions not so much. ProtonVPN also supports OpenVPN connections, and configuration files are available for download. The VPN setup pages in Chrome OS appear to support OpenVPN.

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