ZyXEL Communications P-870HW-I User Manual

P-870HW-I1 User’s Guide

172

Chapter 13 Certificates

Use this screen to save an existing certificate to the ZyXEL Device. To open this screen, click 
Import in Security > Certificates > My Certificates.

Note: You can only import a certificate that matches a corresponding certification 

request that was generated by the ZyXEL Device. In addition, the certificate 
you import replaces the corresponding request in the My Certificates screen.

You must remove any spaces from the certificate’s filename before you can 
import it.

Valid From

This field displays the date that the certificate becomes applicable. The text 

displays in red and includes a Not Yet Valid! message if the certificate has not yet 

become applicable.

Valid To

This field displays the date that the certificate expires. The text displays in red and 

includes an Expiring! or Expired! message if the certificate is about to expire or has 

already expired.

Modify

Click an Edit icon to open a screen with an in-depth list of information about the 

certificate.
Click a Remove icon to remove the certificate. You cannot delete a certificate that 

is used by any features.
Do the following to delete the certificate that shows *SELF in the Type field. 
1. Make sure that no other features, such as remote management, are configured 

to use the *SELF certificate.
2. Click the Edit icon next to another self-signed certificate.
3. Select the Default self-signed certificate which signs the imported remote 

host certificates. check box.
4. Click Apply to save the changes and return to the My Certificates screen.
5. The certificate that originally showed *SELF displays SELF and you can delete it 

now.
Note that subsequent certificates move up by one when you take this action

Import

Click this to open a screen where you can save the certificate that you have 

enrolled from a certification authority from your computer to the ZyXEL Device.

Create

Click this to go to the screen where you can have the ZyXEL Device generate a 

certificate or a certification request.

Refresh

Click this to update the screen.

Table 73   Security > Certificates > My Certificates (continued)