https://cinhtau.net/2016/03/21/check-supported-algorithms-in-openssh/
-Q cipher | cipher-auth | mac | kex | key
Queries ssh for the algorithms supported for the specified version 2. The available features are: cipher (supported sym‐
metric ciphers), cipher-auth (supported symmetric ciphers that support authenticated encryption), mac (supported message
integrity codes), kex (key exchange algorithms), key (key types).
https://cinhtau.net/2016/03/21/check-supported-algorithms-in-openssh/
Josselin Joly