iOS 9使用HTTP(App Transport Security问题)

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Use http on iOS 9

在iOS 9中 苹果将原http协议改成了https协议 使用 TLS1.2 SSL加密请求数据

使用xcode 7为iOS 9开发应用 如果直接访问"http:// ... "会出现错误信息：

App Transport Security has blocked a cleartext HTTP (http://) resource load since it is insecure. Temporary exceptions can be configured via your app‘s Info.plist file.

解决办法：

1. 修改info.plist文件

2. 直接编辑Info.plist

可以在 <dict> TAG最后添加 ( </dict> 前)

<key>NSAppTransportSecurity</key>
<dict>
    <key>NSAllowsArbitraryLoads</key>
    <true/>
</dict>

添加后的Info.plist文件成这样：

What‘s New in iOS - iOS 9.0

App Transport Security (ATS) enforces best practices in the secure connections between an app and its back end. ATS prevents accidental disclosure, provides secure default behavior, and is easy to adopt; it is also on by default in iOS 9 and OS X v10.11. You should adopt ATS as soon as possible, regardless of whether you’re creating a new app or updating an existing one.

If you’re developing a new app, you should use HTTPS exclusively. If you have an existing app, you should use HTTPS as much as you can right now, and create a plan for migrating the rest of your app as soon as possible. In addition, your communication through higher-level APIs needs to be encrypted using TLS version 1.2 with forward secrecy. If you try to make a connection that doesn‘t follow this requirement, an error is thrown. If your app needs to make a request to an insecure domain, you have to specify this domain in your app‘s Info.plist file.

iOS 9使用HTTP(App Transport Security问题)

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原文地址：http://www.cnblogs.com/moiez/p/5893838.html