@GeorgettaCZ For Windows, there is no need to tweak a profile, use the OpenVPN comunity https://openvpn.net/community-downloads/ and make sure, the laptop is not on your home network. OR mobile...

@Callum_1 it depends on Linux Distro you have. Also, yes, it really depends maybe also on ddns, as I do not have it, I am using TP-Link as a main gateway.

@TheYam I have added that after cypher, in the beginning of the ovpn file. Well it works for me, on Fedora 39 linux. Omada would be different. Worth to search how to workaround this somewhere else.

@Sunshine Actually, I have discpvered, there exists two workarounds: 1. sudo update-crypto-policies LEGACY --> this is really not twhe way to do it, as it degrading the crypto policies system wide....

OpenVPN profiles, especially certs are too small, which causing unable to establish connection from modern Linux operating systems, like RHEL9 or Fedora 39. Error is specifically: OpenSSL:...

Seem that work. It would be really beneficial, to have noted somewhere, that enabling of QoS could significantly degrade the overall speed.