1.0.0 VpnConnection Pptp L2tp Sstp Ikev2 Automatic Pap Chap MSChapv2 Eap MachineCertificate NoEncryption Optional Required Maximum Custom Pptp L2tp Sstp Ikev2 Automatic Pap Chap MSChapv2 Eap MachineCertificate NoEncryption Optional Required Maximum Custom enable disable