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12 trusted ca import – ZyXEL Communications NBG410W3G User Manual

Page 214

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Chapter 11 Certificates

NBG410W3G Series User’s Guide

214

11.12 Trusted CA Import

Click SECURITY > CERTIFICATES > Trusted CAs to open the Trusted CAs screen and
then click Import to open the Trusted CA Import screen. Follow the instructions in this
screen to save a trusted certification authority’s certificate from a computer to the ZyXEL
Device. The ZyXEL Device trusts any valid certificate signed by any of the imported trusted
CA certificates.

"

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

CRL Distribution

Points

This field displays how many directory servers with Lists of revoked certificates

the issuing certification authority of this certificate makes available. This field

also displays the domain names or IP addresses of the servers.

MD5 Fingerprint

This is the certificate’s message digest that the ZyXEL Device calculated using

the MD5 algorithm. You can use this value to verify with the certification

authority (over the phone for example) that this is actually their certificate.

SHA1 Fingerprint

This is the certificate’s message digest that the ZyXEL Device calculated using

the SHA1 algorithm. You can use this value to verify with the certification

authority (over the phone for example) that this is actually their certificate.

Certificate in PEM

(Base-64) Encoded

Format

This read-only text box displays the certificate or certification request in Privacy

Enhanced Mail (PEM) format. PEM uses 64 ASCII characters to convert the

binary certificate into a printable form.
You can copy and paste the certificate into an e-mail to send to friends or

colleagues or you can copy and paste the certificate into a text editor and save

the file on a management computer for later distribution (via floppy disk for

example).

Apply

Click Apply to save your changes back to the ZyXEL Device. You can only

change the name and/or set whether or not you want the ZyXEL Device to

check the CRL that the certification authority issues before trusting a certificate

issued by the certification authority.

Cancel

Click Cancel to quit and return to the Trusted CAs screen.

Table 58 SECURITY > CERTIFICATES > Trusted CAs > Details (continued)

LABEL

DESCRIPTION