Hello,
"ssh -Q cipher" will output the ciphers supported by your SSH *client*,
not the server. What you did by creating the file
/etc/ssh/sshd_config.d/anti-terrapin-attack.conf is to disable the
cipher on the *server*, and that should have worked fine. You can
confirm that the server does not support the cipher anymore by issuing
the following command:
# sshd -T | grep -i ciphers
I am going to mark this bug as Invalid because I could confirm that
disabling the cipher works fine here. If you still experience any
issues, feel free to reopen it.
Thanks.
** Changed in: openssh (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/2070326
Title:
Unable to Disable ChaCha20-Poly1305 Encryption to Mitigate Terrapin
SSH Attack
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