ZyXEL Communications NWA-3550 ユーザーズマニュアル

Chapter 18 Certificates

NWA-3500/NWA-3550 User’s Guide

Use this screen if you have an existing CA-issued certificate you want to use for 
authentication. Follow the instructions in this screen to save it to the NWA. Click 
Certificates> My Certificates and then Import to open the My Certificate 
Import screen. 

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.

Details 

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

Create

Click Create to go to the screen where you can have the NWA generate 
a certificate or a certification request.

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 NWA.

Delete

Click Delete to delete an existing certificate. A window display asking 
you to confirm that you want to delete the certificate. Note that 
subsequent certificates move up by one when you take this action.

Refresh

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

Table 66   Certificates > My Certificates (continued)