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CORS Essentials

You're reading from   CORS Essentials Access web resources on different domains

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Product type Paperback
Published in May 2017
Publisher
ISBN-13 9781784393779
Length 144 pages
Edition 1st Edition
Languages
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Author (1):
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Rajesh Gunasundaram Rajesh Gunasundaram
Author Profile Icon Rajesh Gunasundaram
Rajesh Gunasundaram
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Toc

Table of Contents (10) Chapters Close

Preface 1. Why You Need CORS FREE CHAPTER 2. Creating Proxies for CORS 3. Usability and Security 4. CORS in Popular Content Management Frameworks 5. CORS in Windows 6. CORS in the Cloud 7. CORS in Node.js 8. CORS Best Practices Index

Chapter 3. Usability and Security

In this chapter, you will learn how to implement CORS in various scenarios to enable access across domain boundaries.

We will discuss the following:

  • CORS and XDomainRequest (IE 8 and 9) browser support
  • Detecting AJAX support in the browser
  • Using preflight to ensure usability and improve security
  • The Access-Control-Allow-Origin header, with and without the wildcard
  • HTTP request and response headers for usability and security
  • CORS requests with credentials, and setting and reading cookies
  • The CORS security cheat sheet by OWASP

Note

We use the term client to denote any user agent capable of making a CORS request. Typically, the client is the browser displaying the page making the request.

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