For several years I used a redirection script for links to Amazon like this one for Molly Ivins: A Rebel Life. After some failed attempts to exploit it showed up in the server logs, the script now validates that the destination contains a valid ISBN.

Add a Comment

All comments are moderated before publication. These HTML tags are permitted: <p>, <b>, <i>, <a>, and <blockquote>. This site is protected by reCAPTCHA (for which the Google Privacy Policy and Terms of Service apply).