IPSec Simplified

I am again spending some time figuring out the workings of IPSec, this time I was interested in how to get it all going on PIX machines. While looking for information I came across 2 great articles about IPSec. They provide a simple introduction and were written by Dr. Peter J. Welcher.

IPsec phobia is caused by confusion. To cure that, we need some background information and terminology. Believe me, with a little orientation, this stuff makes a whole lot more sense! By the way, there's lots of mathematics theory behind all this, but you won't see it here. After all, you don't need to know any of that to use IPsec.

It is split across 2 articles: IPSec Simplified and IPSec Simplified - Part 2.

The authors site has a large number of security and network related articles that seem of a very high quality and well worth checking out.

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