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Backward compatibility for SFTP key exchange





Unable to perform SFTP backup due to below error message


Product: Loadmaster

Version: Any

Platform: Any

Application: Any

Question/Problem Description:


Steps to Reproduce:  
Error Message:
logger: Automated Backup to server.domain.internal (sftp) returned 255 "Unable to negotiate with IP port 22: no matching key exchange method found. Their offer: diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1 Connection closed. Connection closed "
Defect Number: LM-2823
Enhancement Number:  

diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1 key exchange algorithms were used during the SSH handshake to the SFTP server.

Deprecated KEX algorithms are no longer supported for SSH connections outgoing from kemp to SFTP backup server.

Resolution: Please update the SFTP server with an updated version that supports more recent KEX algorithms.

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