C＃Web客户端下载地址字符串HTTPS [英] C# WebClient Download String https

问题描述

在web浏览器，我可以正常加载以下网址： https://security.ultimatxxxx.com:443/Serverstatus.ashx

In the webbrowser I can normally load the following url: https://security.ultimatxxxx.com:443/Serverstatus.ashx

当我做它：

Webclient.DownloadStringAsync("https://security.ultimatxxxx.com:443/Serverstatus.ashx");

有关测试的目的，您可以拨打：终极-欧元而不是 ultimatxxxx

For testing purposes you can call: ultimate-eur instead of ultimatxxxx.

这是不行的，但是当我打开一个正常的URL没有HTTPS的，我没有问题。 这说法我必须补充，使Web客户端还可以下载该字符串？

It does not work, but when I load a normal URL without https I have no problems. Which argument do I have to add so that the Webclient can also download the string?

我想使用MonoTouch的该功能，但语言是C＃。

I want to use that feature in Monotouch, but language is C#.

推荐答案

如果你只是希望接受所有的证书，您需要设置证书检查，你让你的请求之前：

If you just wish to accept all certificates, you'll need to set certificate check, before you make your request:

ServicePointManager.ServerCertificateValidationCallback = delegate { return true; };

这会接受所有证书。

虽然 - 如果你需要实际检查证书做这样的事情：

Although - if you need to actually check the certificate do something like:

ServicePointManager.ServerCertificateValidationCallback =
    (sender, certificate, chain, sslPolicyErrors) => 
    {
        //to check certificate
    };

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