User`s guide

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USER’S GUIDE AUTOMATIC TRANSFER SWITCH
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SSH User Host Key File
Status The Status field Indicates the status of the host key (private key). In the
control console, display the host key status by selecting Advanced SSH
Configuration.
• SSH Disabled: No host key in use: No host key has been transferred
to the Automatic Transfer Switch or a host key has been transferred
improperly.
N
OTE: A host key must be installed to the /sec directory of the
Automatic Transfer Switch.
• Generating: The Automatic Transfer Switch 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
Automatic Transfer Switch).
• Valid: The host key is valid. (If you install an invalid host key, the
Automatic Transfer Switch discards it and generates a valid one.
However, a host key that the Automatic Transfer Switch 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 Automatic Transfer Switch 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 SCP to transfer the host key file to the
Automatic Transfer Switch.
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 Automatic Transfer Switch creates one when it reboots. The
Automatic Transfer Switch takes up to 5 minutes to create this key,
and the SSH server is not accessible during that time.
Option Description