note tilly That is a good point which I wasn't thinking about. A warning does only have to slow down the stores.<p> A switch to a smarter data structure has to slow down both reads and stores.<p> Still I, as an application programmer, wouldn't care for a warning. It wouldn't, after all, help me any when I am writing my vulnerable application. And while my server is being beaten down, knowing how I am being DOSed isn't going to help me fix it unless I do more work than I am willing to do... 262191 262576