{
    "firewall": {
        "name": {
            "WAN_LOCAL": {
                "rule": {
                    "50": {
                        "action": "accept",
                        "description": "Allow L2TP",
                        "destination": {
                            "port": "500,1701,4500"
                        },
                        "protocol": "udp"
                    },
                    "51": {
                        "action": "accept",
                        "description": "Allow ESP",
                        "protocol": "esp"
                    }
                }
            }
        }
    },

    "vpn": {
        "ipsec": {
            "ipsec-interfaces": {
                "interface": [
                    "pppoe0"
                ]
            },
            "nat-networks": {
                "allowed-network": {
                    "0.0.0.0/0": "''"
                }
            },
            "nat-traversal": "enable"
        },
        "l2tp": {
            "remote-access": {
                "authentication": {
                    "local-users": {
                        "username": {
                            "testuser": {
                                "password": "test1234"
                            }
                        }
                    },
                    "mode": "local"
                },
                "client-ip-pool": {
                    "start": "192.168.1.100",
                    "stop": "192.168.1.110"
                },
                "dns-servers": {
                        "server-1": "8.8.8.8",
                        "server-2": "8.8.4.4"
                },
                "ipsec-settings": {
                        "authentication": {
                                "mode": "pre-shared-secret",
                                "pre-shared-secret": "test1234"
                        },
                        "ike-lifetime": "3600"
                },
                "mtu": "1492",
                "outside-address": "mijn-externe-ip"
            }
        }
    }
}