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500 'MLSD': command not understood by proxy

If you get one of the following errors:
500 'MLSD': command not understood by proxy
451 Connect: No Port Specified

Solution

Disable the Use MLSD option found on the Favorite Properties Dialog.

How to:

1. Select Favorites > Edit Favorites from the SmartFTP menu. The Favorites window appears.
2. From the SmartFTP Favorites window select the Favorite to be used. Right click on the Favorite and select Properties. The Properties dialog appears.
3. Under FTP select Transfer. Under the MLSD you can click on the drop-down option and disable the Use of MLSD.
4. Click on the OK button to save the changes.

キーワード
MLSD

関連記事
MLST / MLSD