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After CiscoSSH changes introduced by fixing defect CSCwm49153, ISA3000 does not accept any kind of SSH connections for management of the device.
Trying to connect to ISA3000 via SSH and the terminal returns "Connection Refused" error messages.
ISA3000 running ASA software on version 9.20.3.7 or higher.
Disable CiscoSSH with command: ciscoasa(config)# no ssh stack ciscossh
SSH debug is similar to: ciscoasa# debug ssh 255 debug ssh enabled at level 255 ciscoasa# SSH_EXT: ssh_exec_pem2openssh() ret:-1 SSH_EXT:failed to extract rsa pem SSH_EXT:failed to extract rsa pk SSH_EXT: sshd spawn failed in ctxt 0. SSH_EXT: ssh_cntrl_fsm_retry_start:4084 SSH_EXT: Received cntrl act 1 in vcid 0. SSH_EXT: Enque done for act 1,vcid 0 into 1Q. SSH_EXT: ssh cntrl action:1 in ctxt 0.
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