etantonio Hi, an ubuntu 20 server running OpenVPN 2.4.7 and EasyRSA 3.0.8 could be compatible with a client having these packets? openssl-util 1.0.2f-1 openvpn-easy-rsa 2013-01-30-2 openvpn-nossl 2.3.6-2 openvpn-openssl 2.3.6-2 Thanks