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Adios! (or something), I've noticed in my SEOMoz campaign that I am getting duplicate content warnings for URLs with extensions. For example: /login.php?action=lostpassword /login.php?action=register etc. What is the best way to deal with these type of URLs to avoid duplicate content penelties in search engines? Thanks 🙂

I have been looking at the SEOmoz redirect guide for some advice but I can't seem to find the answer : http://www.seomoz.org/learn-seo/redirection I have lots of URLs from a previous version of a site that look like the following: sitename.com/-c-25.html?sort=2d&page=1 sitename.com/-c-25.html?sort=3a&page=1 etc etc. I want to write a redirect so whenever a URL with the terms "-c-25.html" is requested it redirects to a specified page, regardless of what comes after the question mark. These URLs were created by our previous ecommerce software. The 'c' is for category, and each page of the cateogry created a different URL. I want to do these so I can rediect all of these URLs to the appropraite new cateogry page in a single redirect. Thanks for any help.