[issue25458] ftplib: command response shift - mismatch

[Ivan Pozdeev]

Ivan Pozdeev added the comment:

The current solution looks fishy to me. We should stick to https://tools.ietf.org/html/rfc959 . In particular, 226 is sent when the server closes the auxiliary socket, so the module should react accordingly. Debug printing and/or issuing warnings is an obvious no-go.

Also attached a text file illustrating the problem.

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Added file: http://bugs.python.org/file45813/ftp_error_illustration.txt

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