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I'm using 21.02 and it seems like OpenVPN and Wireguard are not working.

Wireguard: Protocol is not supported
I'm getting also always an error message like this:
Done | Updating package lists
Collected errors:gradable packages list
* pkg_hash_check_unresolved: cannot find dependency kernel (= 5.4.188-1-16a68eeb0dd00404821117d619151320) for kmod-wireguard
* pkg_hash_fetch_best_installation_candidate: Packages for kmod-wireguard found, but incompatible with the architectures configured

OpenVPN: Interface is not available. e.g. tun0
UDP link local: (not bound)


Cheers

WireGuard is the fastest modern VPN protocol, with higher speeds than OpenVPN and IKEv2 even across long distances. You could argue that PPTP is extremely quick 192.168.l.254 as well, but this is becauseWireGuard offers a more reliable connection for mobile users than OpenVPN because it handles network changes better. OpenVPN adds a data overhead of up to 20%, whereas WireGuard uses just 4% more data (compared with not using a VPN). VPN services need to include mitigations to ensure user privacy when using WireGuard.is more reliable than UDP, so it's good for bypassing strict censorship regimes. This is because TCP port 443 is the same port that HTTPS uses. Wireguard and OpenVPN both may be good VPNs, but OpenVPN remains the safest and most stable.