POST /services/svrLogin.asmx HTTP/1.1
Host: website.com
Content-Type: text/xml; charset=utf-8
Content-Length: length
SOAPAction: "http://tempuri.org/ControlNET/svrLogin/GetCreds"

<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
  <soap:Body>
    <GetCreds xmlns="http://tempuri.org/ControlNET/svrLogin">
      <Username />
      <Password />
    </GetCreds>
  </soap:Body>
</soap:Envelope>