Reference Guide
ip ssh server challenge-response-authentication
Enable challenge response authentication in an SSH server.
Syntax
ip ssh server challenge-response-authentication
Parameters None
Default Disabled
Command Mode CONFIGURATION
Usage Information The no version of this command disables the challenge response authentication.
Example
OS10(config)# ip ssh server challenge-response-authentication
Supported Releases 10.3.0E or later
ip ssh server cipher
Congure the list of cipher algorithms in the SSH server.
Syntax
ip ssh server cipher cipher-list
Parameters cipher-list — Enter the list of cipher algorithms separated by space. The following is the list of cipher
algorithms supported by the SSH server:
• 3des-cbc
• aes128-cbc
• aes192-cbc
• aes256-cbc
• aes128-ctr
• aes192-ctr
• aes256-ctr
• aes128-gcm@openssh.com
• aes256-gcm@openssh.com
• blowsh-cbc
• cast128-cbc
• chacha20-poly1305@opens
Default
• aes128-ctr
• aes192-ctr
• aes256-ctr
• aes128-gcm@openssh.com
• aes256-gcm@openssh.com
• chacha20-poly1305@opens
Command Mode CONFIGURATION
Usage Information The no version of this command removes the conguration.
Example
OS10(config)# ip ssh server cipher 3des-cbc aes128-cbc
System management 529