Untitled

namespace skmHttpHandlers
{
    public class SimpleHandler : IHttpHandler
    {
        public void ProcessRequest (HttpContext context)
        {
            context.Response.Write ("<html><body><h1>Test</h1></body></html>");
        }

        public bool IsReusable
        {
            get
            {
                return false;
            }
        }
    }
}

<configuration>
    <system.webServer>
        <handlers>
            <add name="SimpleHandler" path="*" verb="*"
            type="skmHttpHandlers.SimpleHandler, skmHttpHandlers"
            resourceType="Unspecified"
            requireAccess="Script"
            preCondition="integratedMode" />
        </handlers>
    </system.webServer>
</configuration>