httpHandlers>
add verb="*" path="*" type="Encourage.wtSSOCheck"/>
/httpHandlers>

public class wtSSOCheck : IHttpHandler
{
public void ProcessRequest(HttpContext context)
{
string a = context.Request.QueryString["reqstr"];
context.Response.Write(a);
}

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