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Legrand PDU User Guide 171
If you want a certificate to secure multiple hosts across different domains or subdomains, you can add
additional DNS host names or IP addresses of the wanted hosts to this CSR so that a single certificate
will be valid for all of them.
Click
when there are more than one additional hosts to add.
Examples of subject alternative names:
support.raritan.com
,
help.raritan.com
,
help.raritan.net
,
and
192.168.77.50
.
Key Creation Parameters:
Field
Do this
Key Length
Select an available key length (bits). A larger key length enhances
the security, but slows down the response of Legrand PDU.
Only 2048 is available now.
Self-Sign
For requesting a certificate signed by the CA, ensure this
checkbox is NOT selected.
Challenge,
Confirm Challenge
Type a password. The password is used to protect the certificate or
CSR. This information is optional.
The value should be 4 to 64 characters long. Case sensitive.
3. Click Create New SSL Key to create both the CSR and private key. This may take several minutes to
complete.
4. Click Download Certificate Signing Request to download the CSR to your computer.
a. You are prompted to open or save the file. Click Save to save it onto your computer.
b. Submit it to a CA to obtain the digital certificate.
c. If the CSR contains incorrect data, click Delete Certificate Signing Request to remove it, and then
repeat the above steps to re-create it.
5. To store the newly-created private key on your computer, click Download Key in the
New SSL
Certificate
section.
Note: The Download Key button in the Active
SSL Certificate
section is for downloading the private key
of the currently-installed certificate rather than the newly-created one.
You are prompted to open or save the file. Click Save to save it onto your computer.
6. After getting the CA-signed certificate, install it. See
Installing a CA-Signed Certificate
(on page 171).
Installing a CA-Signed Certificate
To get a certificate from a certificate authority (CA), first create a CSR and send it to the CA. See
Creating a
CSR
(on page 170).
After receiving the CA-signed certificate, install it onto the Legrand PDU.
To install the CA-signed certificate:
1. Choose Device Settings > Security > SSL Certificate.
2. Click
to navigate to the CA-signed certificate file.
3. Click Upload to install it.
4. To verify whether the certificate has been installed successfully, check the data shown in the Active SSL
Certificate section.