默认情况下，不处理转发的标头.您需要使用HttpOverrides中间件.

Forwarded headers are not processed by default. You need to use HttpOverrides middleware.

• 添加Microsoft.AspNetCore.HttpOverrides作为依赖项

• 将以下内容添加到您的Configure方法中:

• add Microsoft.AspNetCore.HttpOverrides as dependency

• add the following to your Configure method:

app.UseForwardedHeaders(new ForwardedHeadersOptions
    {
        ForwardedHeaders = ForwardedHeaders.XForwardedFor |
        ForwardedHeaders.XForwardedProto
    });