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First of all, I would strongly recommend to block FTP and only allow FTPS/FTPES (FTP over implicit/explicit SSL/TLS). SFTP would be even better, more firewall friendly, inherent forward secrecy... but FileZilla Server does not support SFTP. This said, I would recommend using a server software that allows you to do two essential things: Prevent file ...


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You can use Apache Tika and create your own program to extract metadata, it is pretty easy to do and here is a tutorial on how to do that. As the other answer says there is no surefire way to extract metadata from every type of file but Tika covers an alright amount.


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The Unix/Linux file command will extract a lot of metadata inside files, and if you are using Windows, you can install cygwin to gain access to that command. Some example output: C:\Users\stewmark\ScreenShots>file *.png ChangePW.png: PNG image data, 1167 x 1046, 8-bit/color RGB, non-interlaced ChangePW_link.png: PNG image ...



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