Command Line Reference Guide

1242 | Security
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SSH Server and SCP Commands
FTOS supports SSH Protocol versions 1.5 and 2.0. Secure Shell (SSH) is a protocol for
secure remote login over an insecure network. SSH sessions are encrypted and use
authentication.
• crypto key generate
•debug ip ssh
• ip scp topdir
• ip ssh authentication-retries
• ip ssh connection-rate-limit
• ip ssh hostbased-authentication
• ip ssh key-size
• ip ssh password-authentication
• ip ssh pub-key-file
• ip ssh rhostsfile
• ip ssh rsa-authentication (Config)
• ip ssh rsa-authentication (EXEC)
• ip ssh server
• show crypto
• show ip ssh
• show ip ssh client-pub-keys
• show ip ssh rsa-authentication
•ssh
crypto key generate
c e s
Generate keys for the SSH server.
Syntax
crypto key generate {rsa | rsa1}
Parameters
Defaults
Key size 1024
Command Modes
CONFIGURATION
Command
History
rsa
Enter the keyword rsa followed by the key size to generate a SSHv2 RSA host keys.
Range: 1024 to 2048
Default: 1024
rsa1 Enter the keyword rsa1 followed by the key size to generate a SSHv1 RSA host keys.
Range: 1024 to 2048
Default: 1024
Version 7.6.1.0 Introduced for S-Series
Version 7.5.1.0 Introduced for C-Series
pre-Version 6.1.1.0 Introduced for E-Series