Show ip ssh

show ip ssh
SSH Enabled - version 2.0
Authentication methods:publickey,keyboard-interactive,password
Authentication Publickey Algorithms:x509v3-ssh-rsa,ssh-rsa
Hostkey Algorithms:x509v3-ssh-rsa,ssh-rsa
Encryption Algorithms:aes128-ctr,aes192-ctr,aes256-ctr
MAC Algorithms:hmac-sha2-256,hmac-sha2-512,hmac-sha1,hmac-sha1-96
KEX Algorithms:diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1
Authentication timeout: 120 secs; Authentication retries: 3
Minimum expected Diffie Hellman key size : 2048 bits
IOS Keys in SECSH format(ssh-rsa, base64 encoded): TP-self-signed-1692485518
Modulus Size : 2048 bits
ssh-rsa AAAAB3NzaC1yc2EAAssDAQABAgAABQCY5vynl5Iyl+t6b21sNrPyh9uwlbny1wcwo4ubkhat
quxmLES/IToPL4S01n7ZmaEMQdLmkJ2RQYdc6gmCVULC3n7iKY3FW+rWNXoe+5/plEdcVC8LMLaorWoj
Um0v+unHPdvcXVKa7a+QUkUVLQGm6NGzXXGG8JHHoRQBmhmFmmPpeWpjR868nkPxG5dXNcwHvIjbD9sR
z+cyYLpfSZ6RPm52G9SGDI9YcI1sbC1t4SkRsEsbNgvJzmj3RSlEL0nWIxafLQECPaA6ctKQtKjpI/ur
tJNnYUXY5kO6MT/1lrObBdCyxdx+xR9aMv/xtovlstn39XUnvlO0EUhJkv66

show ip ssh
SSH Enabled - version 2.0
Authentication methods:publickey,keyboard-interactive,password
Encryption Algorithms:aes128-ctr,aes192-ctr,aes256-ctr,aes128-cbc,3des-cbc,aes192-cbc,aes256-cbc
MAC Algorithms:hmac-sha1,hmac-sha1-96
Authentication timeout: 120 secs; Authentication retries: 3
Minimum expected Diffie Hellman key size : 1024 bits
IOS Keys in SECSH format(ssh-rsa, base64 encoded):
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAAAYQCnk/mAbuXx85L8CKZuhGyhIWp1KI+KhBUaGuvSn/iH
JNPHwOQQQKobjscRz44cfMfaNt6UrtDcRh4msCIWDzynFjHXQ+fkrz7x1WjhlDTCOHDsP2z9XJjwuhm5
lKnxTv6=

Activities

1. Execute show ip ssh on your router. Compare output with example and understand output.
2. Configure public RSA key authentication

See also

• show ssh, show ip ssh, Cisco IOS/Configure public RSA key authentication, transport input ssh, ip ssh pubkey-chain, crypto key generate rsa, show crypto key mypubkey rsa, crypto key zeroize rsa
• 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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