Extendable (by plugins, …) Static Analysis tools like FindBugs can enhance the security of your Java applications (web as well as standalone or client-servers applications) in several significant ways.

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For regular spammers and sploggers, banning their IP address is a simple and effective way to get rid of them. I will describe three methods here with the simplest at the very end. Let's take a simple case study. ntoolz.net has been copying my posts with an automated content creation tool and then blessing me with a pingback for his splog content! So I decided to ban him.

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Any PHP based software like WordPress, Mambo, Joomla, Drupal, MODx etc. will serve pages both from http://your-site.com as well as http://your-site.com/index.php. This creates duplicate content for search engines, which may then decide to penalize your site for duplicate content. You can safely prevent duplicate content with the following apache code / directive added to your .htaccess file (or in httpd.conf):

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