Customer Rating:  
Summary: Securing systems & Securing code
Comment: I found Pro PHP Security a very informative book. I received this book around the same time that I began developing online financial software. This book lived up to the name and answered a lot of my questions.
I found the chapter on encryption and hashing very interesting. I knew what each system of protection accomplished but not how. Next the authors proceeded to discuss Secure Sockets Layer (SSL) and how certificates are created. It was fun to be able to create my own certificate and keys, and gain a better understanding of how the whole process works.
After covering server security and connection security, the authors moved onto secure programming. The first chapter covers user input validation. This is one area that many programmers, myself included, do not devote much time. If you can sanitize the data you get from the user, you have overcome one of the largest hurdles of securing your code.
After that chapter, each following chapter begins with the presentation of an exploit and how it works, followed by discussions of sites affected by these exploits, and concluding with how to prevent it. SQL injection, cross-site scripting, remote execution and session hijacking are some of the exploits discussed. This section of the book gave me plenty to think about and more than enough to work on implementing.
If anyone is a PHP programmer and deals with any kind of sensitive data, then this book is a must read. The authors attempt to provide all the best practices because one method may not work in a given situation, but they also let you know the disadvantages of each method. As Snyder and Southwell discuss in the first chapter, as developers we cannot eliminate risk but we can do our best to mitigate it.
Customer Rating:
Summary: Good info, not many solutions
Comment: Like the title states this book tells you about a lot of security issues you should be aware of, but doesn't go in depth for many solutions. Especially xss which is the only reason i bought the book. For how much the book costs i figured it would include some really good php solutions. I mean the thing is in black and white, what's with the price tag that doesn't tell me anything that i can't find on the web.
Customer Rating:
Summary: Very little about PHP security at all
Comment: The book is entitled PHP security. But the actual content covers very little PHP at
all: less than 20 percent. It tries to cover everything from UNIX permission,SSH
and all other security issues, but really doesn't have much to do with PHP. So I
think the title is highly misleading. For someone interested in the general
security issues, it might be a fine book. But not for programmers want to know
the security about PHP.
Customer Rating:
Summary: Unless you're already well-versed in the topic ...
Comment: Unless you're already very well-versed in the subject matter, ( sql injection, cross-site scripting, session hijacking, remote execution, sanitizing user data/input, ssh, encryption, ssl, dangers of shared-host scenarios, bulletproofing db installations, user verification, captchas, remote procedure calls ) this material is relatively comprehensive and valuable. Well-organized, well thought out, I won't hesitate to recommend this one.
Customer Rating:
Summary: Finally a good book on PHP security issues
Comment: PHP applications written without a concern for security risk cross-site scripting, SQL injection, session hijacking, and a multitude of other potential problems. This book examines how to setup a secure environment including encryption, hashing, SSL and using PHP to connect to SSL servers. The authors also examine how to install and configure OpenSSH and using it with PHP applications. Of course they also deal with the usual concerns of user authentication, permissions, restrictions, validating input, preventing SQL injection, preventing cross-site scripting, preventing remote execution (including PHP code injection and embedding), security for temporary files, and preventing session hijacking. The Pro PHP Security is written specifically for PHP programmers working in the Apache, MySQL, and PHP 5 environment and is highly recommended
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