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Welcome to the ZyXEL Networking Glossary - your definitive source for descriptions of networking terms and ZyXEL's product features.

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    Public Key Certificate

    Public key certificates are used by certain programs (such as web browsers and personal encryption programs) to ensure that a secure web site is legitimate. When a certificate authority (such as VeriSign, Comodo, or Network Solutions) receives a certificate request from a website operator, it confirms the web domain and contact information in the request match those on public record with a domain name registrar. If the information matches, then a public key certificate is issued to the website operator to place on a website.