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OCI: SSH Connection Fail with "Connection closed by <IP_ADDRESS> port <PORT> [preauth]" in the Server and "No supported authentication methods available" in the Client (Doc ID 2807847.1)

Last updated on SEPTEMBER 17, 2021

Applies to:

Oracle Cloud Infrastructure - Version N/A and later
Linux OS - Version Oracle Linux 6.0 and later
Information in this document applies to any platform.

Symptoms

Connecting to a Linux instance using SSH or SFTP fail with:

The connection work using the same username and private key from another client, in a different network.

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution


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