Pre-built and well-tested native packages (RPM),.On Linux, the features currently specific to Pro versions are: This web page describes the Linux revision of John the Ripper Pro. It is distributed primarily in the form of 'native' packages forĪvailable for a number of operating systems. John the Ripper Pro builds upon the free John the Ripper to deliverĪ commercial product better tailored for specific operating systems. John the Ripper is free and Open Source software,ĭistributed primarily in source code form. Its primary purpose is to detect weak Unix passwords,Īnd a number of other password hash types are supported as well. Is a fast password cracker, available for many operating systems. John the Ripper Pro (JtR Pro) password cracker for Linux Products Services Articles Presentations Mailing lists Community wiki What's new John the Ripper Pro password cracker for Linux