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John the Ripper

John the Ripper 1.9.0

John the Ripper is a fast password cracker, currently available for many flavors of Unix, Windows, DOS, and OpenVMS. Learn what's new on this latest version. Click here if the download does not begin automatically.

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More about John the Ripper

John the Ripper is an open source password security auditing and password recovery tool available for many operating systems.

What is John the Ripper?

John the Ripper is a password cracking tool originally produced for Unix-based systems. Its main objective is to correctly guess ("crack") a password. It uses several modes to test password strength, such as wordlist, single crack, incremental and external modes. Read more.

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