Sunday, March 25, 2007

Cohen on Howard: Chapter 15

Chapter 15 covers security for networks.

Cohen:
In Part 3, my hopes were dashed. Yes, part 2 continues in part 3. The separation is apparently only a trick to meet an administrative requirement of maximum section sizes, or perhaps a limitation of Word based on an integer overrun.

Cohen's joke is especially funny when you realize that David LeBlanc, a co-author of the book, produced the SafeInt library to prevent integer overflow attacks...while working for Microsoft Office.

Cohen:
Chapter 15 does a poor job of handling network issues with the exception of providing some reasonable advice on building firewall-friendly applications.

Cohen's review does a poor job of describing what is missing here. The chapter covers how to prevent local applications from hijacking a server's port, limiting attack surface by binding as narrowly as possible to an interface and the insecurities of DNS as well as how to write firewall-friendly applications, amongst other things.

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