ZyWALL 5/35/70 Series User’s Guide

Table 110 My Certificates (continued)

LABEL

DESCRIPTION

 

 

Type

This field displays what kind of certificate this is.

 

REQ represents a certification request and is not yet a valid certificate. Send a

 

certification request to a certification authority, which then issues a certificate. Use

 

the My Certificate Import screen to import the certificate and replace the request.

 

SELF represents a self-signed certificate.

 

*SELF represents the default self-signed certificate, which the ZyWALL uses to

 

sign imported trusted remote host certificates.

 

CERT represents a certificate issued by a certification authority.

 

 

Subject

This field displays identifying information about the certificate’s owner, such as CN

 

(Common Name), OU (Organizational Unit or department), O (Organization or

 

company) and C (Country). It is recommended that each certificate have unique

 

subject information.

Issuer

This field displays identifying information about the certificate’s issuing certification

 

authority, such as a common name, organizational unit or department,

 

organization or company and country. With self-signed certificates, this is the same

 

information as in the Subject field.

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

 

certificate.

 

Click the delete icon to remove the certificate. A window displays asking you to

 

confirm that you want to delete the certificate.

 

You cannot delete a certificate that one or more features is configured to use.

 

Do the following to delete a certificate that shows *SELF in the Type field.

 

1. Make sure that no other features, such as HTTPS, VPN, SSH are configured to

 

use the *SELF certificate.

 

2. Click the details icon next to another self-signed certificate (see the description

 

on the Create button if you need to create a 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 Import to open a screen where you can save the certificate that you have

 

enrolled from a certification authority from your computer to the ZyWALL.

Create

Click Create to go to the screen where you can have the ZyWALL generate a

 

certificate or a certification request.

Refresh

Click Refresh to display the current validity status of the certificates.

 

 

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Chapter 20 Certificates