Openssh client: Invalid key length
Jump to navigation
Jump to search
Error message from Openssh client when connecting to a Cisco router/switch:
ssh_dispatch_run_fatal: Connection to 10.10.10.4 port 22: Invalid key length
Solution, execute in Cisco IOS:
crypto key zeroize rsa crypto key generate rsa modulus 2048
OpenSSH 7.6 (October 2017)
- Refuse keys length <1024 bits in length and improve reporting for keys that do not meet this requirement.
Related terms
See also
- SSH:
ssh, TLS,.ppk, .pem, .crt, .pub, ED25519, Key exchange method (KEX), public key, private key,ssh -Q kex,IAMUserSSHKeys,known_hosts, ssh tunnel, Dropbear
Advertising:
