Download e-book for iPad: Ajax Security by Billy Hoffman

By Billy Hoffman

ISBN-10: 0321491939

ISBN-13: 9780321491930

This publication may be required examining for a person who's constructing, operating with, or perhaps dealing with an online software. the appliance does not also have to exploit Ajax. many of the options during this booklet are defense practices for non-Ajax purposes which have been prolonged and utilized to Ajax; now not the wrong way round. for instance, SQL injection assaults can exist even if an program makes use of Ajax or no longer, yet Ajax presents an attacker different "entry issues" to aim to assault your program. each one carrier, technique, and parameter is taken into account an access point.

The booklet itself is easily written. the fashion of writing is attractive. the one non-exciting a part of the publication is the bankruptcy on customer facet garage (i.e. cookies, Flash facts items, neighborhood storage), yet this isn't the authors' fault. the subject itself isn't intriguing and that i stumbled on myself examining it fast so i may get to the following bankruptcy. some of the most fascinating chapters is the only on JavaScript worms, just like the Samy computer virus. additionally attention-grabbing are the occasional mentions of reviews and discoveries within the safety neighborhood. for instance, the authors describe a proof-of-concept port scanner they wrote utilizing JavaScript by myself, which has the aptitude of scanning IP addresses and detecting the kind of internet server they run (using the JS photo object). one other fascinating instance was once utilizing the :hover CSS category in addition to JavaScript to become aware of websites consumer has visited.

After analyzing this ebook, i'm discovering myself correcting protection blunders i'm simply be aware of discovering in my initiatives. a few corrections i have made problem JSON, the GET vs. publish factor, and others. With the corrections made, i believe that my functions are much more secure. This publication helped make that ensue.

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Download e-book for kindle: Ajax Security by Billy Hoffman

This booklet may be required examining for someone who's constructing, operating with, or perhaps dealing with an internet program. the appliance does not also have to take advantage of Ajax. many of the techniques during this booklet are defense practices for non-Ajax functions which have been prolonged and utilized to Ajax; no longer the opposite direction round.

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Until then, the user is free to continue using the application, as illustrated in Figure 1-2. He can even queue up multiple requests at the same time. User Server Request partial update Keep using page Process request Return partial update Work on page Wait for request or handle other users Request partial update Keep using page Figure 1-2 Process request Asynchronous Ajax request/response model The asynchronous nature of Ajax is the key to its responsiveness. We can only reduce the round-trip time of a request so far.

The introduction of JavaScript and DHTML helped bring back some of the thickclient style user interface elements; but the functionality of the application was still limited by the fact that the pages could not be asynchronously updated with new data from the server. Complete page postbacks were still required to fetch new data. This made it impractical to use DHTML for applications like map and direction applications, because too much data—potentially gigabytes worth—needed to be downloaded to the client.

But it would look rather suspicious to anyone if she was sitting in a Jetta in a crowded parking lot with a laptop in her hands—much better to come inside and just blend in. Even better, she notices some blonde kid in a black t-shirt sitting in the middle of the shop. ” She chuckles under her breath; script kiddies always 25 CHAPTER 2 THE HEIST choose causes as lame as their cheap computer equipment. Even assuming that what she does tonight ever gets traced back to this coffee shop (which she doubts), the hacker wannabe in a Metallica t-shirt is the one people will remember.

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Ajax Security by Billy Hoffman

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