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My Linux server works with YouTube videos a lot, downloading and collecting data about them with the help of youtube-dl.

I want to route this program (youtube-dl) through an OpenVPN connection. Seems simple enough, except I need only youtube-dl to use the VPN connection, as I also run a web server among other things which cannot use the VPN connection.

How can I configure my server to only use the OpenVPN connection for youtube-dl?

Without a separate VM.

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    Is Docker out of question, too? Apr 3 at 5:28
  • On the networking / routing level your options are either: Policy routing (when you know exactly which IP’s are used by your app to download videos from) Network name spaces (which is a pita to set up manually)
    – Bob
    Apr 3 at 7:01
  • @HermanB Policy routing isn't really feasible, as sometimes youtube-dl will also fetch media from other arbitrary sources. Let me look more into network namespaces, thanks! Apr 3 at 9:36
  • You can look at firejail, despite its name it can work with other programs than Firefox, and "enclose" them in various limits, including a networking namespace which should be the ideal option for your problem. See firejail.wordpress.com/documentation-2/basic-usage/#networking Apr 3 at 22:15
  • Can you explain how this could be useful, as U-tube probably isn't part of your VPN? Apr 4 at 16:50
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I forgot I asked this question, but I may as well leave the solution I ended up using here:

You can use a program called Vopono that works by creating temporary network namespaces.

It supports the Wireguard, OpenVPN, OpenConnect and OpenFortiVPN protocols, and can also be used out-of-the-box directly with many VPNs such as PIA and NordVPN as well, if that suits your needs.

Example usage with an OpenVPN configuration file:

vopono exec --custom vpn_config.ovpn --protocol openvpn "youtube-dl https://www.youtube.com/watch?v=dQw4w9WgXcQ"

No VM or anything like that needed!

More detailed usage info can be found here.

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You can create a virtual machine that connects to the VPN and run the program in that VM.

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  • apparently, this was answered before the additional requirement appeared, and for majority of cases this is acceptable solution Apr 6 at 7:18

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