This is an old revision of the document!

Disabling weak key exchange algorithms

Add this line to /etc/ssh/sshd_config

[code]

KexAlgorithms curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521

[/code]

Then

sshd -T

Then

systemctl restart sshd