Most of todays tools for fingerprinting are focusing on server-side services. Well-known and widely-accepted implementations of such utilities are available for http web services, smtp mail server, ftp servers and even telnet daemons. Of course, many attack scenarios are focusing on server-side attacks.

This implementation of client-side fingerprinting utilizes PHP to identify browsers by http requests. See how this application fares against other fingerprinting utilities that analyze header lines and values.

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