Analyze C# httpwebrequest access HTTPS error handling method

The following editor will bring you an articleC#httpwebrequest access HTTPSError handlingmethod. The editor thinks it is quite good, so I will share it with you now and give it as a reference for everyone. Let's follow the editor and take a look.

C# httpwebrequest encounters this error when accessing the HTTPS link, but if I open a packet capture tool, such as filddler2, the POST returns a normal

error The prompted message is:

The underlying connection has been closed: An error occurred while sending.

InnerException is:

Unexpected EOF or 0 bytes received from the transport stream.

After trying N methods on the Internet, the following is the solution this time:

ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3;

List the solutions found online, maybe they can solve your problem

The following are the solutions found online:

1. request.ProtocolVersion = HttpVersion.Version10;

2. ServicePointManager .ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);

3.ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls;

4.Try using another UserAgent

5.In App.config Add the following:

<system.net>
  <settings>
   <httpWebRequest useUnsafeHeaderParsing="true"/>
  </settings>
 </system.net>

The above is the detailed content of Analyze C# httpwebrequest access HTTPS error handling method. For more information, please follow other related articles on the PHP Chinese website!