【WebException: The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel】的更多相关文章

WebException: The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel

关于这个异常的问题网上有很多的解决方案. 最为靠谱的有: http://www.cnblogs.com/hjf1223/archive/2007/03/14/674502.html(若因为链接而导致不适的情况下请作者联系我.我会立即修改.) 而除此之外可能遇到即使使用也继续生成此问题的情况. 我仅此记录我的玄学解决方案. 及 将时间改为过去的时间. 经过多次测试 在SSL链接下 当发起请求的机器比接受SSL请求机器的时间早的情况下 可能会发生此问题 例如 接受请求服务器为2015-12-2 10…

EX:The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel.

EX:The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel. 这个是证书引起的.. 用IE浏览器访问接口,右击浏览器窗口,现在属性.查看证书. 应该是不可以的. 应该安装证书.…

Web Server 使用WebClient 发送https请求 The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel

使用WebClient 发送https请求 使用WebClient发送请求时,并且是以https协议: WebClient webClient = new WebClient(); string result = webClient.DownloadString(url); error : The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure chan…

[bug]The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel.

写在前面 在模拟请求的时候,如果url为https的,会报这个错误.大概错误就是:基础连接已关闭:无法建立信任关系的SSL / TLS的安全通道. The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel. 基础连接已关闭:无法建立信任关系的SSL / TLS的安全通道. 解决办法 在模拟请求的方法中加上这样一句话. ServicePoin…

[WebException: The underlying connection was closed: The message length limit was exceeded.]解决方法

[WebException: The underlying connection was closed: The message length limit was exceeded.]   System.Net.HttpWebRequest.GetResponse() ; // unlimited…

The underlying connection was closed: An unexpected error occurred on a send

操作系统是Windows Server 2003 x64 SP2,使用Framework 4.0,在使用WebClient访问某些特定的HTTPS站点时,会引发异常: Unhandled Exception: System.Net.WebException: The underlying connection was closed: An unexpected error occurred on a send. ---> System.IO.IOException: Authentication…

微信接口问题(The underlying connection was closed: An unexpected error occurred on a send)

突然在调用微信接口是报:The underlying connection was closed: An unexpected error occurred on a send错误,跟踪了半天,是因为在调用阿里人脸识别接口时,接认证设置成了SSL3,而微信接口支持TLS,所以就会报错.并且在更新后又正常的问题, ServicePointManager.SecurityProtocol = SecurityProtocolType.SSL3;…

windows xp .net framework 4.0 HttpWebRequest 报The underlying connection was closed,基础连接已关闭

windows xp .net framework 4.0 HttpWebRequest 报The underlying connection was closed,基础连接已关闭,错误的解决方法 在 HttpWebRequest 请求的上方加入以下代码 ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3;…

C#使用FtpWebRequest 基础连接已经关闭:连接被意外关闭(The underlying connection was closed:The connection was closed unexpectedly)

公司内部开发的winform程序使用了FtpWebRequest下载FTP服务器的文件到本地. 大多数人运行良好,由于我们是试运行逐步有人加入到平台的使用,前两天突然有个别机器无法连接FTP服务器报出了如下错误. The underlying connection was closed:The connection was closed unexpectedly 进行排查没有发现异常,windows事件管理器中查看也没有相关的错误.写的代码也没有发现什么不对的地方 FtpWebRequest r…

Json Post到 https的坑 - the underlying connection was closed an unexpected error occurred on a send（远程服务器未知错误导致关闭）

最近做了一个安装包,安装包会弹出dotnet的 窗体,这个安装包会去调用https的一个api.用测试程序测试窗体都是好的.一旦打入安装包后,就报错.研究了半天,原来是https惹的祸 解决方案: .NET 4.6 and above. You don’t need to do any additional work to support TLS 1.2, it’s supported by default.DOTNET 4.6.1 以上版本,默认就可以了 .NET 4.5. TLS 1.2 i…