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SSL Certificates   

Managed SSL service supporting certificates from leading suppliers.

Secure Sockets Layer, frequently referred to as SSL is a cryptographic protocol that provides communications security over a computer network.

The CenturyLink SSL Service provides nine options of commercially available SSL certificates listed below. Each solution is designed to provide site security based on client's needs, with up to 256-bit encryption strength.

  • Symantec Secure Site Pro with EV (Extended Validation)
  • Symantec Secure Site Pro
  • Symantec Secure Site
  • Thawte SLL Web Server with EV (Extended Validation)
  • Thawte SSL Web Server
  • Thawte SGC Super Cert
  • Geotrust True BusinessID Wildcard
  • Geotrust True BusinessID
  • RapidSSL Certificate
  • Geotrust Quick SSL Premium

CenturyLink is responsible for the licensing, installation, administration, maintenance and support for the supported SSL certificates.


Supported Operating Systems include various versions of Microsoft Windows Server and Red Hat Enterprise Linux.

CenturyLink provides the following as part of the service:

  • Software installation and configuration
  • Monitoring and problem resolution on a 24/7 basis
  • Proactive alert notification to customer technical contacts
  • Software updates


  • SSL is used is to keep sensitive information sent across the internet encrypted so that only the intended recipient can understand it.

  • In addition to encryption, SSL certificates also provides authentication. This means clients can be sure that information is being sent to the correct server.

  • The Managed SSL service from CenturyLink is ideal for clients who wish to outsource the management of this service and have their IT staff focus on more strategic activities.


Not applicable.

service guide


Managed Security Services

geographic availability

Australia, Canada, China, Germany, Hong Kong, India, Japan, Singapore, United Kingdom, United States