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![Chapter 8] 8.2 File Transfer](http://litux.nl/Books/Books/www.leothreads.com/e-book/oreillybookself/tcpip/firewall/figs/fire0807.gif "Chapter 8] 8.2 File Transfer")
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Active vs. Passive FTP Simplified: Understanding FTP Ports | JSCAPE
Active vs. Passive FTP Simplified: Understanding FTP Ports | JSCAPE
FTP Optimization
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