HP MSR2000 Configuration Manual page 232

When an SFTP client accesses an SFTP server, it uses the locally saved host public key of the server to
authenticate the server. When acting as an SFTP client, the device supports the first authentication by
default. When the device accesses an SFTP server for the first time but it is not configured with the host
public key of the SFTP server, it can access the server and locally save the server's host public key for
future use. In a secure network, the first authentication can simplify the configuration on the SFTP client,
but it is not reliable.
To establish a connection to an SFTP server:
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