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Hello everyone,

I'm experiencing an issue using the JSch library to establish an SFTP connection with an OpenSSH server configured on Windows. The error returned is com.jcraft.jsch.SftpException: Bad message.

Here are some details about my setup:

  • SFTP Client: JSch version 0.1.54
  • SSH Server: OpenSSH for Windows version 9.5

Complete error message: com.jcraft.jsch.SftpException: Bad message

Interestingly, I can successfully connect to the same OpenSSH server using GUI clients like FileZilla and WinSCP, but the issue arises specifically when attempting to connect from our middleware server using JSch.

 

Has anyone else encountered this type of error or have any suggestions on specific configurations to check or modify on JSch or OpenSSH?

Thank you in advance for your help and suggestions.

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