FTP firewall issues in Passive mode
Posted by meharo on 19 April, 2009
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This item was filled under [ Networking HOWTOs, Security HOWTOs ]
In Linux, the default FTP mode is "Passive" where it is "Active" in Windows. The Passive mode FTP causes client to connect to high port in server. This high port is unpredictable and can range from 1024 to 65535 (high ports). Different client connections use different ports and it is difficult to identify the port [...]