c# - Servicepointmanager 设置 sercurityprotocol 异常

Question

在我的应用程序中，我想检查客户端支持的安全协议。我有最新的 .Net 版本。

我的想法是将 SecurityProtocol 设置为 SecurityProtocolType Tls1.2，例如：

ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;

我的问题是，如果客户端不支持 TLS1.2，ServicePointManager(SecurityProtocol) 是否会抛出此版本不受支持的异常？

Answer 1

Yes, you should get a NotSupportedException

In some testing I have done in the past, you would see

Unhandled Exception: System.NotSupportedException: The requested security protocol is not supported. at System.Net.ServicePointManager.set_SecurityProtocol(SecurityProtocolType value)