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BI SFTP connection no longer working due to Key Exchange Algorithm Deprecation

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JEngalan
JEngalan Rank 2 - Community Beginner

One of our SFTP delivery configuration in Oracle BI Publisher has stopped working due to deprecation of diffie-hellman-group14-sha1 SSH Kexs on the target server.

Error message: Could not establish connection. oracle.xdo.delivery.ssh2.SshException: Timeout waiting for response from server

As per Oracle docs, https://support.oracle.com/epmos/faces/DocumentDisplay?parent=SrDetailText&sourceId=3-38028203491&id=2462380.1

the following later versions of Key Exchange methods are already supported:

  • diffie-hellman-group1-sha1
  • diffie-hellman-group14-sha1
  • diffie-hellman-group-exchange-sha1
  • diffie-hellman-group-exchange-sha256
  • diffie-hellman-group14-sha256
  • diffie-hellman-group16-sha512
  • diffie-hellman-group18-sha512

How can we configure our SSH connection to ensure the newer versions of key exchange method are used?

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