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Oracle Linux: How to Enable Deprecated KexAlgorithms for Specific Hosts Error: "no matching key exchange method found" (Doc ID 3040483.1)

Last updated on SEPTEMBER 20, 2024

Applies to:

Linux OS - Version Oracle Linux 8.6 with Unbreakable Enterprise Kernel [5.4.17] and later
Linux x86-64

Goal

With the upgrade to Oracle Linux 8, some SSH KexAlgorithms, most notably SHA1 algorithms, are disabled by default. This document provides instructions to enable the use of SHA1 KexAlgorithms when connecting to a host that cannot be upgraded and requires SSH access initiated from an Oracle Linux 8+ host.

Solution

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