I had to replace a Cisco ASA 5510 that died.
I have everything back up and running however when I connect to the ASA via SSH (through Putty), I receive the following warning message:
"The first cipher supported by the server is single-DES, which is below the configured warning threshold. Do you want to continue with this connection?"
I have tried to solve this by recreating the security keys with the following two commands
crypto key zeroize rsa crypto key generate rsa noconfirm
However nothing has changed. I still receive the warning message when I connect via SSH.