I\'ve built an application that uses jQuery and JSON to consume an ASP.NET .asmx web service to perform crud operations. The application and .asmx are on the same domain. I dont
Quick and dirty solution would be to use IP address restrictions to allow only your domain's IP address access via IIS.
Probably better would be using HTTP authentication. There are many ways to do this, I found Authentication in ASP.NET Web Services a helpful overview.