ZyXEL VSG-1200 User Manual download pdf (Page 206)

VSG-1200 V2 User’s Guide

Chapter 31 SSL Certificate 206

CHAPTER 31

SSL Certificate

This chapter shows you how to set up Secure Socket Layer (SSL) certificates on the VSG.

31.1 SSL Certificate Overview

SSL (Secure Socket Layer) security is a standard Internet protocol for secure communications

that uses a combination of certificate-based authentication and public-key encryption. SSL

protects data transfer between the web configurator on the VSG and the web browser on a

connected computer.

With SSL security activated, data (such as user name and password) transferred between the

VSG and the computer is protected when you access the VSG using a web browser that

supports SSL.

31.1.1 Certificate

A digital certificate (also referred to as a certificate) contains the key owner’s name and public

key, the name of the issuing certification authority, the certification authority’s digital

signature and a certificate validity time limit and other optional information fields.

31.1.2 Certificate Authorities

A Certification Authority (CA) issues digital certificates and guarantees the identity of the

certificate owner. When someone requests a certificate from a CA, the CA requires proof of

identity. There are both commercial certificate authorities like CyberTrust and VeriSign, as

well as government certificate authorities.

31.2 Downloading SSL Certificate to the VSG

After you apply for and receive a certificate from a certificate authority, import the certificate

and the private key to the VSG.

Click System Tools and SSL Certificate in the navigation panel to display the screen as

shown next.

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ZyXEL VSG-1200 User Manual Page 206