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Novel attack against virtually all VPN apps neuters their entire purpose
(arstechnica.com)
This is a most excellent place for technology news and articles.
Hate to rain on the Linux parade here, but didn't the article say: "There are no ways to prevent such attacks except when the user's VPN runs on Android." and that Linux was just as vulnerable as Windows?
It's not as vulnerable but it still is.
You can also use network namespaces on Linux which Wireguard has a nice explanation and walkthrough on, recommending this as part of setting up wg connections. https://www.wireguard.com/netns/
I saw that but unfortunately it doesn't detail how to set it up persistently on every boot. And I also haven't seen anybody using this method, probably because of the lack of tooling around it. For example afaik the official Mullvad client on linux just uses a firewall.