This teaching module deals with network security capabilities with a focus on Virtual Private Networking (VPN). It defines a number of basic concepts, it includes the description of some basic components and concepts of VPNs. In addition, attention is paid to the explanation of the IPSec protocol and to the mechanisms allowing the implementation of private network security, such as the ISAKMP/IKE method and the Diffie-Hellmann key exchange mechanism. Last but not least, the module contains a number of practical examples and solutions for them. The final part of the module describes electronic signature.
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This project has been funded with support from the European Commission. This publication [communication] reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.