OpenVPN : Unable to obtain Session ID XML-RPC: TimeoutError or 400 Bad Request
Using OpenVPN Server on Linux as well as Windows machine, you may encounter this error trying to connect a client : Unable to obtain Session ID from “vpn.domain.tld”, port(s)=443: XML-RPC: TimeoutError Unable to obtain Session ID from “vpn.domain.tld”, port(s)=443: XML-RPC: ‘400’, ‘Bad Request’ This happen because HTTPS (SSL) port (TCP-443) is closed either on the… Read More »