To ensure the security of RSA public key authentication, the length of the
RSA key pairs must be greater or equal to 768 bits when generating RSA key
pairs.
Operations on a Server
After keys are generated on the client, the SSH server, namely the network
device, needs to copy the client public-key file to flash, and associate the file
with the SSH user name. Each user can associate with an RSA public key and
a DSA public key. See the following contents.
Ruijie# configure terminal
Ruijie(config)# ip ssh peer test public-key rsa flash:rsa.pub
Ruijie(config)# ip ssh peer test public-key dsa flash:dsa.pub
In this way, the client can log in to the network device using the public-key
based authentication method.
Using SSH to Transfer Files
Operations on a Server
Secure CoPy (SCP) is used in SSH file transfer. The SCP server function
needs to be enabled on the network device, so that the client can use SCP to
transfer files to the network device, or download files from the network device.
See the following contents.
Ruijie# configure terminal
Ruijie(config)# ip scp server enable
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