User's Manual

Chapter 15 Certificates
ADSL Series User’s Guide
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15.2.1 Trusted CAs
Use this screen to view a summary list of certificates of the certification authorities that you have
set the ZyXEL Device to accept as trusted. The ZyXEL Device accepts any valid certificate signed by
a certification authority on this list as being trustworthy; thus you do not need to import any
certificate that is signed by one of these certification authorities.
Click Security > Certificates > Trusted CAs to open the Trusted CAs screen.
Figure 98 Security > Certificates > Trusted CAs
The following table describes the labels in this screen.
Browse Click Browse to find the certificate file you want to upload.
Current File This field displays the name used to identify this certificate. It is recommended that you
give each certificate a unique name.
Key Type This field applies to the SSH/SCP/SFTP certificate.
This shows the
file format of the current certificate.
Replace Click this to replace the certificate(s) and save your changes back to the ZyXEL Device.
Reset Click this to clear your settings.
Table 56 Security > Certificates > Local Certificates (continued)
LABEL DESCRIPTION
Table 57 Security > Certificates > Trusted CAs
LABEL DESCRIPTION
Import Certificate Click this button to open a screen where you can save the certificate of a certification
authority that you trust to the ZyXEL Device.
Name This field displays the name used to identify this certificate.
Subject This field displays information that identifies the owner of the certificate, such as
Common Name (CN), OU (Organizational Unit or department), Organization (O), State
(ST) and Country (C). It is recommended that each certificate have unique subject
information.
Type This field displays general information about the certificate. ca means that a
Certification Authority signed the certificate.
Action Click the View icon to open a screen with an in-depth list of information about the
certificate (or certification request).
Click the Delete icon to delete the certificate (or certification request). You cannot
delete a certificate that one or more features is configured to use.