Summary

The vast reach and versatility of the Net has exposed it to a variety of security attacks. These security issues can affect the confidentiality and integrity of the information that is exchanged. In addition, the identity of computers is also impersonated to cause immense damage to organizations. To address the root cause of these security issues, a security framework that implements comprehensive security features for an IP datagram was proposed. This framework, called IPSec, provided security by proposing the addition of new headers, such as AH and ESP, to the existing IP datagram format, establishing security associations between communicating computers, and managing the exchange of encryption or authentication keys between the computers. ...

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