FTPS file transfers randomly fail with error "426 Failure reading network stream." on vsftpd

Solution Verified - Updated -

Issue

  • FTP client is failing to upload files to vsftpd using FTPS showing errors like org.apache.camel.component.file.GenericFileOperationFailedException: Error writing file
  • vsftpd server errors of either 426 Failure reading network stream. or DATA connection terminated without SSL shutdown. Buggy client! Integrity of upload cannot be asserted.

Environment

  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9
  • vsftpd with SSL/TLS enabled

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