The latest version of my book, "Secure Programming for Linux and Unix HOWTO",
is now available! You can freely download it in a variety of formats at:
http://www.dwheeler.com/secure-programs
This book provides a set of design and implementation guidelines for writing
secure programs for Linux and Unix systems. Such programs include application
programs used as viewers of remote data, web applications (including CGI
scripts), network servers, and setuid/setgid programs. This document includes
specific guidance for a number of languages, including C, C++, Java, Perl,
Python, and Ada95.
This is version 3.005, dated 30 December 2002.
Compared to version 3.000, this version adds new text on handling tmp files
where there are tmp cleaners running (true on most real systems -
this causes particular problems with mktemp(1)),
notes on avoiding buffer overflow in FD_SET/FD_CLR(), and
a long discussion on a new attack against web-based systems:
session fixation. I also added text about protecting secrets in memory.
Enjoy, and happy new year.
--- David A. Wheeler
