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The IP Security Protocol (Linux Journal)

This Linux Journal article explains IPSec, different levels of security and how to be safe sending and receiving packets over the network. "Several different solutions exist that allow us to cope with this problem, each operating at a different level of abstraction. In this article, we will discuss the differences between and purposes of application-level security, socket-level security and network-level security."

This article continues with part 2 which moves on to encapsulating security payloads and key exchange mechanisms.


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