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500 INTERNAL ERROR: 'PASV' is missing the response string for 611
The following error occurs when using FTP connections: 500 INTERNAL ERROR: 'PASV' is missing the response string for 611.
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Overview
The following error occurs when using FTP connections:
500 INTERNAL ERROR: 'PASV' is missing the response string for 611.
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Resolution
Seeing the above error in the domain logs.
The Error 500 indicates that the command from the FTP client is not understood by Serv-U as shown in the FTP command properties in Serv-u > Domain > Limits and settings > FTP settings > Global Properties.