Pro PHP Security
Provides information on securing PHP applications, covering such topics as shared hosts, encryption, SSL, authentication, permissions and restrictions, XSS, and application logging.
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A guide for users of the open source PHP Web scripting language furnishes a detailed overview of the defensive and proactive security measures that can be utilized to protect one's system from data destruction or site operation disruptions, explaining how to create and deplay captchas, validate e-mail, avoid SQL injection attacks, prevent cross-site scripting, and more. Original. (Intermediate-Advanced)
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