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431 FTP Reply Code  -  KB Article #1538

Related Articles --

Example Reply
431 Need unavailable resource to process security.

Synopsis
A 431 reply code may be sent in response to any command requiring a change in or the negotiation of a security mechanism. It is considered a transient negative reply as the error is considered temporary. In this case, the client is encouraged to restart the FTP transaction and try again.

Possible Commands

See Also