https://documentation.suse.com/sles/15-SP4/html/SLES-all/cha-security-vpnserver.html
Configuring a VPN server | Security and Hardening Guide | SLES 15 SP4
Implement a secure network connection using OpenVPN for linking branch offices across WANs securely and efficiently
vpn server securityhardening guideconfiguring
https://mullvad.net/pl/blog/increased-security-from-server-upgrade
Increased Security from Server Upgrade | Mullvad VPN
We now own and have physical control over servers at three of our locations, two in Sweden and one in Amsterdam. This means an even higher level of security...
increased securityserver upgrademullvadvpn