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iOS9 HTTP 通信报错解决方案

时间:2016-03-21 18:19:46      阅读:249      评论:0      收藏:0      [点我收藏+]

    UIWebView *myview = [[UIWebView alloc] initWithFrame:CGRectMake(0, 22, [UIScreen mainScreen].bounds.size.width, [UIScreen mainScreen].bounds.size.height)];
    myview.delegate = self;
    [self.view addSubview:myview];
    
    NSURL *url = [NSURL URLWithString:@"https://www.baidu.com"];
    NSURLRequest *httprequest = [NSURLRequest requestWithURL:url];
    [myview loadRequest:httprequest];
 
UIWebView在使用loadRequest方法时,若出现“NSURLSession/NSURLConnection HTTP load failed (kCFStreamErrorDomainSSL, -9813)”的错误,这是因为iOS9.0以后,苹果引入了App Transport Security(简称ATS)特性,新特性要求App内访问的网络必须使用HTTPS协议。 意味着原来请求的时候用到的HTTP,都转向TLS1.2协议进行传输。
 
 
原文:

App Transport Security

 

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.

 
 
解决方法:
在Info.plist新增一段用于控制ATS的配置:
方法一:
<key>NSAppTransportSecurity</key>
<dict>
    <key>NSAllowsArbitraryLoads</key>
    <true/>
</dict>

方法二:
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iOS9 HTTP 通信报错解决方案

原文:http://www.cnblogs.com/lxd2502/p/5302807.html

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