Loop in processrequest

public bool IsReusable
       {
           get { return false; }
       }

       public void ProcessRequest(HttpContext context)
       {
           if (string.IsNullOrEmpty(context.Session["mySession"] as string))
           {
               string url = HttpContext.Current.Request.Url.AbsoluteUri;
               url = url.ToUpper();
               if (url.Contains("MYFOLDER"))
               {
                   context.Response.Redirect("Login.aspx");
               }
              
               else
               {
                   string url1 = HttpContext.Current.Request.Url.AbsoluteUri; 
                  context.Response.Redirect(url1);
               }
           }

            
       }

<system.webServer>
    <handlers>
      <add name="Admin" verb="*" path="*.aspx" type="mySite.Protected, mySite"/>
    </handlers>
  
  </system.webServer>

ProcessRequest(HttpContext context)