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Oracle Linux: SSH Weak Ciphers Detected (Doc ID 2799887.1)

Last updated on MARCH 18, 2024

Applies to:

Linux OS - Version Oracle Linux 7.9 with Unbreakable Enterprise Kernel [5.4.17] and later
Oracle Cloud Infrastructure - Version N/A and later
Linux x86-64

Goal

Scan has detected that the remote SSH server is configured to use the Arcfour stream cipher.
RFC 4253 advises against using Arcfour due to an issue with weak keys.
This document outlines steps to remove the Arcfour ciphers.
 

Solution

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In this Document
Goal
Solution


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