FTP Error: 500 Illegal PORT Command
Filed in: Tips n Tricks — June 26th, 2005
Solution for “500 Illegal PORT command” FTP error.
No sure why this happen, just now I connect to my FTP server but it return:
Response: 500 Illegal PORT command
Error: Could not retrieve directory listing
Connected but cannot list out the files. 
I ask Google, and got answer in seconds – switch to passive mode.
For FileZilla user, click Edit -> Settings… -> Connections -> Firewall settings, tick “Passive Mode” checkbox.
