This is a list of articles you can find on Freefire.org

• FTP by Example - Hands on Tutorial on the FTP Protocol, to better understand it's implications on Firewalls. (Bernd Eckenfels)
• Filtering FTP - Article describing the set up of packet filters and application level gateways for FTP Servers and clients (Bernd Eckenfels)
• ident security - Points you have to consider about allowing/filtering the ident/auth tcp port 113.

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  © Copyright 2000, Bernd Eckenfels, ecki@lina.inka.de, Germany