项目中涉及到调用第三方的Https的WebService,我使用的是原始的HttpWebRequest. 代码中已经考虑到是Https,加上了SSL3协议,加上了委托调用.但偶尔还是会碰到 The request was aborted:Could not create SSL/TLS secure channel. 这样的错误. 于是根据这篇博客所说,将其改成使用Tls协议,看看有没有用. if (url.StartsWith("https", StringComparison.Or…

背景 在单元测试中请求 HTTPS API 失败. 异常 Result StackTrace:  at System.Web.Services.Protocols.WebClientProtocol.GetWebResponse(WebRequest request) at System.Web.Services.Protocols.HttpWebClientProtocol.GetWebResponse(WebRequest request) at System.Web.Services.Pr…

C# 访问https请求被中止: 未能创建 SSL/TLS 安全通道(Could not create SSL/TLS secure channel) 以及 X509Certificate2 tempSignCert = new X509Certificate2(HttpContext.Current.Server.MapPath("cert/20050104.p12"), "123456");报:“System.Security.Cryptography.Cryp…

一.背景: 公司底层服务CDN从Akamai迁移到阿里云之后, 使用该服务的一个应用报错如下: System.AggregateException: One or more errors occurred. ---> System.Net.Http.HttpRequestException: An error occurred while sending the request. ---> System.Net.WebException: The request was aborted: Co…

如题,英文中文表述的是一个意思 退款测试在我本机测试一切都是正常的,但是发布到了服务器就报这样的一个错啦 但是无论百度或者google或者bing,你能够搜索到的结果都很类似,综合起来就是加这样一些代码,如下 ServicePointManager.Expect100Continue = true; ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | Secu…

退款测试在我本机测试一切都是正常的,但是发布到了服务器就报这样的一个错啦 但是无论百度或者google或者bing,你能够搜索到的结果都很类似,综合起来就是加这样一些代码,如下 ServicePointManager.Expect100Continue = true; ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType…

解决办法: ServicePointManager.Expect100Continue = true;ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;…

问题发生的原因是VS 15.9尝试使用系统默认值进行TLS握手,但是要在VS内的某处设置为TLS1.2. 此问题的解决方法是在部署项目的IIS服务器上启用TLS 1.2.例如,请按照此文章中的说明操作…

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…

当我在用NET命名空间下获取URL的时候,提示如下错误: The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel. 使用传输安全模式,证书建立SSL,宿主端口证书配置完毕,但是客户调用服务出错. Could not establish trust relationship for the SSL/TLS secure channel wi…