ZyXEL Communications NSA-2401 用户手册
NSA-2401 User’s Guide
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P P E N D I X
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Importing Certificates
This appendix shows you how to import public key certificates into your web browser.
Public key certificates are used by web browsers to ensure that a secure web site is legitimate.
When a certificate authority such as VeriSign, Comodo, or Network Solutions, to name a few,
receives a certificate request from a website operator, they confirm that the web domain and
contact information in the request match those on public record with a domain name registrar.
If they match, then the certificate is issued to the website operator, who then places it on the
site to be issued to all visiting web browsers to let them know that the site is legitimate.
When a certificate authority such as VeriSign, Comodo, or Network Solutions, to name a few,
receives a certificate request from a website operator, they confirm that the web domain and
contact information in the request match those on public record with a domain name registrar.
If they match, then the certificate is issued to the website operator, who then places it on the
site to be issued to all visiting web browsers to let them know that the site is legitimate.
Many ZyXEL products, such as the NSA-2401, issue their own public key certificates. These
can be used by web browsers on a LAN or WAN to verify that they are in fact connecting to
the legitimate device and not one masquerading as it. However, because the certificates were
not issued by one of the several organizations officially recognized by the most common web
browsers, you will need to import the ZyXEL-created certificate into your web browser and
flag that certificate as a trusted authority.
can be used by web browsers on a LAN or WAN to verify that they are in fact connecting to
the legitimate device and not one masquerading as it. However, because the certificates were
not issued by one of the several organizations officially recognized by the most common web
browsers, you will need to import the ZyXEL-created certificate into your web browser and
flag that certificate as a trusted authority.
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You can see if you are browsing on a secure website if the URL in your web
browser’s address bar begins with https:// or there is a sealed padlock
icon (
browser’s address bar begins with https:// or there is a sealed padlock
icon (
) somewhere in the main browser window (not all browsers show the
padlock in the same location.)
In this appendix, you can import a public key certificate for:
• Internet Explorer on
• Firefox on
• Opera on
• Konqueror on