创建虚拟网关：

https://docs.microsoft.com/zh-cn/azure/vpn-gateway/vpn-gateway-howto-point-to-site-resource-manager-portal

创建根证书和客户端证书：

https://docs.microsoft.com/zh-cn/azure/vpn-gateway/vpn-gateway-certificates-point-to-site-makecert

客户端证书安装：

https://docs.microsoft.com/zh-cn/azure/vpn-gateway/point-to-site-how-to-vpn-client-install-azure-cert