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What is an SSL certificate?

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Last Updated: August 10, 2017 12:44 PM

An SSL (Secure Sockets Layer) certificate is a digital certificate that authenticates the identity of a website and encrypts information sent to the server using SSL technology. Encryption is the process of scrambling data into an undecipherable format that can only be returned to a readable format with the proper decryption key.

A certificate serves as an electronic "passport" that establishes an online entity's credentials when doing business on the Web. When an Internet user attempts to send confidential information to a Web server, the user's browser accesses the server's digital certificate and establishes a secure connection.

An SSL certificate contains the following information:

  • The certificate holder's name
  • The certificate's serial number and expiration date
  • A copy of the certificate holder's public key
  • The digital signature of the certificate-issuing authority

For information about installing SSLs, see Install SSL certificates.

Note: You can view different products' eligibility for third-party (i.e. non-DomainPayNet Powered by U.lease SSL certificates) here.