Appropriate for all graduate-level and upper-level courses in network or computer security.   Widely regarded as the most comprehensive yet comprehensible guide to network security, the First Edition of Network Security received critical acclaim for its lucid and witty explanations of the inner workings of network security protocols. Now, in the 2nd Edition, this books exceptionally distinguished author team draws on its hard-won experience to illuminate every facet of information security, from the basics to advanced cryptography and authentication; secure Web and email services; and emerging security standards.   Highlights of the books extensive coverage include Advanced Encryption Standard (AES), IPsec, SSL, X.509 and related PKI standards, and Web security. The authors go far beyond documenting standards and technology: they contrast competing schemes, explain strengths and weaknesses, and identify the crucial errors most likely to compromise secure systems.