- Improve checking for MOBIKE support. Linux kernels on QNAP systems do not support MOBIKE. Ref: https://github.com/hwdsl2/docker-ipsec-vpn-server/issues/247 - Switch to use /etc/ipsec.d/.vpnconfig to store generated password for IKEv2 client config files, instead of vpnclient.p12.password. Migrate to use .vpnconfig if the older config file is found. Ref: 45ee41d