November 2015
Intermediate to advanced
152 pages
2h 46m
English
Content preview from ASP.NET Web API Security EssentialsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 9. Enabling Cross-Origin Resource Sharing (CORS) in ASP.NET Web API
This chapter will help you in learning how to enable CORS in your Web API application.
In this chapter, we will cover the following topics:
- What is CORS?
- How CORS works
- Setting the allowed origins
- Setting the allowed HTTP methods
- Setting the allowed request headers
- Setting the allowed response headers
- Passing credentials in cross-origin requests
- Enabling CORS at various scopes
What is CORS?
According to the same-origin policy, browser security avoids any AJAX requests from one domain to your Web API on another domain in order to prevent a malicious site from reading sensitive data or posting it to another site. But, in some cases, you may need to enable other domains to call your ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.