"May 2010 revision. First published in March 2010"--Title page verso.
"ModSecurity Handbook is the definitive guide to ModSecurity, a popular open source web application firewall. Written by Ivan Ristić, who designed and wrote much of ModSecurity, this book will teach you everything you need to know to monitor the activity on your web sites and protect them from attack. ... The official ModSecurity Reference Manual is included in the second part of the book."--Page 4 of cover.