FW(config)# crypto key zeroize rsa
WARNING: All RSA keys will be removed.
WARNING: All device digital certificates issued using these keys will also be removed.
Do you really want to remove these keys? [yes/no]: yes
and now? generate new?
Do you still get the same log from the client?
What logs are being showed by the ASA?
FWINTERNO# debug ssh
debug ssh enabled at level 1
FW# Device ssh opened successfully.
SSH1: SSH client: IP = '172.19.4.121' interface # = 2
SSH: host key initialised
SSH1: starting SSH control process
SSH1: Exchanging versions - SSH-1.5-Cisco-1.25
SSH1: send SSH message: outdata is NULL
server version string:SSH-1.5-Cisco-1.25SSH1: receive SSH message: 83 (83)
SSH1: client version is - SSH-1.5-OpenSSH_4.3
client version string:SSH-1.5-OpenSSH_4.3SSH1: begin server key generation
SSH1: complete server key generation, elapsed time = 910 ms
SSH1: declare what cipher(s) we support:
00 0x00 0x00 0x04 0xSSH1: send SSH message: SSH_SMSG_PUBLIC_KEY (2)
SSH1: SSH_SMSG_PUBLIC_KEY message sent
SSH1: receive SSH message: [no message ID: variable *data is NULL]
SSH1: Session disconnected by SSH server - error 0x00 "Internal error"
SSH0: receive SSH message: SSH_CMSG_WINDOW_SIZE (11)
Hmm provide the following:
Show run ssl
sh crypto key mypubkey rsa