This is a tutorial on how to connect to NordVPN servers on Windows 7 using the IKEv2 protocol. Note: due to Windows system configuration features, it downgrades the cypher to a weaker 3DES-CBC encryption cypher. Installing the NordVPN certificate The NordVPN root certificate needs to be installed to be able to connect using the IKEv2 protocol. … تابع قراءة IKEv2/IPsec