The NoScript (aka NoScript Security Suite) Firefox extension provides extra protection for Firefox, Seamonkey and other Mozilla-based browsers. Its aim is to allow active content to run only from sites you trust, and protect yourself against XSS and Click-jacking attacks. It is also useful to prevent Flash running on the browser.
Anyway, NoScript is an extremely valuable Firefox extension for security. Its unique white-list based pre-emptive script blocking approach prevents exploitation of security vulnerabilities (known and even not known yet!) with no loss of functionality...
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