FTP error "500 Illegal PORT command" while trying to connect from a dockerized Python script FTP error "500 Illegal PORT command" while trying to connect from a dockerized Python script docker docker

FTP error "500 Illegal PORT command" while trying to connect from a dockerized Python script


python docker flask ftp ftplib

If you get "500 Illegal PORT command.", you are using the active mode, not the passive mode. Double check that and make sure to really use the passive mode.

For an explanation of the error message (even though in different context), see:
ftp_get: Illegal PORT command.

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