APC Battery Management System User Manual download pdf (Page 52)

USER’S GUIDE

Battery Management System

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.

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.

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

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APC Battery Management System User Manual Page 52