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Glossary

Technology evolves at a rapid-fire pace. That’s why we’ve built an easy-to-use glossary to help you better understand the terms, technologies and trends that impact your business.

Internet Protocol Security (IPSec)

Security measures that involve using encryption technology to provide data confidentiality, integrity and authenticity between participating peers in a private network. IPSec provides two choices of security services: authentication header (AH), which essentially allows authentication of the sender of data; and encapsulating security payload (ESP), which supports both authentication of the sender and encryption of data. The specific information associated with each of these services is inserted into the packet in a header that follows the IP packet header.