ZyXEL Communications Internet Security Gateway ZyWALL 2 Series User Manual

Page 273

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ZyWALL 2 Series User’s Guide

Certificates

15-27

The following table describes the labels in this screen.

Table 15-12 Trusted Remote Host Details

LABEL DESCRIPTION

Name

This field displays the identifying name of this certificate. If you want to change the
name, type up to 31 characters to identify this key certificate. You may use any
character (not including spaces).

Certification Path

Click the Refresh button to have this read-only text box display the end entity’s
own certificate and a list of certification authority certificates in the hierarchy of
certification authorities that validate a certificate’s issuing certification authority. For
a trusted host, the list consists of the end entity’s own certificate and the default
self-signed certificate that the ZyWALL uses to sign remote host certificates.

Refresh

Click Refresh to display the certification path.

Certificate
Information

These read-only fields display detailed information about the certificate.

Type

This field displays general information about the certificate. With trusted remote
host certificates, this field always displays “CA-signed”. The ZyWALL is the
Certification Authority that signed the certificate. “X.509” means that this certificate
was created and signed according to the ITU-T X.509 recommendation that
defines the formats for public-key certificates.

Version

This field displays the X.509 version number.

Serial Number

This field displays the certificate’s identification number given by the device that
created the certificate.

Subject

This field displays information that identifies the owner of the certificate, such as
Common Name (CN), Organizational Unit (OU), Organization (O) and Country (C).

Issuer

This field displays identifying information about the default self-signed certificate
on the ZyWALL that the ZyWALL uses to sign the trusted remote host certificates.

Signature Algorithm

This field displays the type of algorithm that the ZyWALL used to sign the
certificate, which is rsa-pkcs1-sha1 (RSA public-private key encryption algorithm
and the SHA1 hash algorithm).

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.

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