This document provides an overview of Linux IPsec solutions as well as detailed discussions on configuring IPsec-Tools for interoperability scenarios between Red Hat Linux Enterprise 4

It describes the configuration and testing of IPsec interoperability scenarios performed between Linux and Windows Vista at the Microsoft OSS Labs. It provides an overview of the available IPsec solutions in Linux, detailed walkthroughs on the configuration of IPsec-Tools in Linux, and the results and insights obtained from the testing. The primary goal of the testing was to discover the level of IPsec interoperability between Linux and Microsoft's and Windows Vista Ultimate (all testing happened on the Beta).

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