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USER’S GUIDE
Battery Management System
45
SSH User Host Key File
Status The Status field indicates the status of the host key (private key). In the
control console, you display host key status by selecting Advanced SSH
Configuration.
• SSH Disabled: No host key in use: No host key has been transferred
to the Battery Management System, or a host key has been transferred
improperly.
N
OTE: A host key must be installed to the /sec directory of the Battery
Management System
• Generating: The Battery Management System is generating a host key
because no valid host key was installed in its /sec directory.
• Loading: A host key is being loaded (i.e., being activated on the Battery
Management System).
• Valid: The host key is valid. (If you install an invalid host key, the
Battery Management System discards it and generates a valid one.
However, a host key that the Battery Management System generates is
only 768 bits in length. A valid host key created by the APC Security
Wizard is 1024 bits.)
Filename You can create a host key file with the APC Security Wizard and then
upload it to the Battery Management System by using the Web interface.
Use the Browse button for the Filename field to locate the file, then click
Apply.
Alternatively, you can use FTP or Secure CoPy (SCP) to transfer the host
key file to the Battery Management System.
N
OTE: Creating and uploading a host key in advance reduces the time
required to enable SSH. If no host key is loaded when you enable SSH,
the Battery Management System creates one when it reboots. The
Battery Management System takes up to 5 minutes to create this
key, and the SSH server is not accessible during that time.
Option Description