title: Elmah reporting unwanted 404 errors
body: <p>I am using Elmah for logging in a ASP.NET MVC project and I am recieving lots of 404 errors for a path /prx2.php which in turn is passing a hash as a querystring param.</p>
  
  <p>I assume this is a scanner trying to find vulnerabilities. Because I am not running PHP I am safe! However I would like to stop ELmah reporting this error.</p>
  
  <p>Whats the best way to exclude these types of errors from being reporting without actually creating a /prx2.php page. I also would like to do this in a config file rather than doing it progmatically.</p>
  
  <p>Any ideas?</p>