How to Disable the diffie-hellman-group1-sha1 in SSHD
(Doc ID 2522286.1)
Last updated on MAY 24, 2020
Applies to:Linux OS - Version Oracle Linux 6.0 and later
How to disable the weak Key Exchange algorithm like diffie-hellman-group1-sha1 in sshd.
If the target is using deprecated SSH cryptographic settings to communicate. A man-in-the-middle attacker may be able to exploit this vulnerability to record the communication to decrypt the session key and even the messages.
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