Difference between revisions of "Openssh client: Invalid key length"
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m (Welcome moved page Invalid key length (Openssh client) to Openssh client: Invalid key length) Tags: Mobile web edit, Mobile edit |
Tags: Mobile web edit, Mobile edit |
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− | Error message from [[Openssh]] client when connecting to a Cisco router: | + | 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]] | [[ssh_dispatch_run_fatal]]: Connection to 10.10.10.4 port 22: [[Invalid key length]] | ||
Solution, execute in [[Cisco IOS]]: | Solution, execute in [[Cisco IOS]]: |
Latest revision as of 06:12, 18 September 2021
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[edit]
See also[edit]
- 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
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