example-onc.file

{
 "Type":"UnencryptedConfiguration",
      "Certificates": [ {
      "GUID": "{<GUID#1>}",
      "Type": "Authority",
      "X509": "<CA_CERT>"
   } ],
    "NetworkConfigurations": [ {
      "GUID": "{<GUID#2>}",
      "Name": "<VPN_NAME>",
      "Type": "VPN",
      "VPN": {
          "Type": "OpenVPN",
          "Host": "<HOSTHAME>",
          "OpenVPN": {
                        "ServerCARef": "{<GUID#1>}",
                    "AuthRetry": "interact",
                    "ClientCertType": "Pattern",
                    "ClientCertPattern": {              
                          "IssuerCARef": [ "{<GUID#1>}" ]
                         },
                    "CompLZO": "true",
                    "Port": 443,
                    "Proto": "tcp",
                    "RemoteCertTLS":"server",
                    "RemoteCertEKU": "TLS Web Server Authentication",
                    "SaveCredentials": false,
                    "ServerPollTimeout": 10,
                    "Username": "<USERNAME>",
                    "KeyDirection":"1",                    
                    "TLSAuthContents":"<TLS_AUTH_KEY>"
                     }
             }
                               } ]
}