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Created 15 Mar 2007
Modified 27 May 2014

Article 2573

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 the Favorites ribbon tab. Click on Edit Favorites. 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.

MLSD

Keywords
MLSD