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值得抓取的网站,windows2008网站,山东建设厅官方网站二建报名,中国万网域名登录文章目录 1. ForwardedHeaders1.1 场景1.2 关键的HTTP头1.3 核心处理要点 1. ForwardedHeaders 1.1 场景获取用户IP获取用户请求的原始URL 1.2 关键的HTTP头 X-Forwarded-ForX-Forwarded-ProtoX-Forwarded-Host 1.3 核心处理要点设置PathBase设置ForwardedHeaders中间件…

文章目录

- 1. ForwardedHeaders
- - 1.1 场景
  - 1.2 关键的HTTP头
  - 1.3 核心处理要点

1. ForwardedHeaders

1.1 场景

获取用户IP
获取用户请求的原始URL

1.2 关键的HTTP头

X-Forwarded-For
X-Forwarded-Proto
X-Forwarded-Host

1.3 核心处理要点

设置PathBase
设置ForwardedHeaders中间件
设置受信任的网关或代理的IP段

public void ConfigureServices(IServiceCollection services)
{...services.Configure<ForwardedHeadersOptions>(options =>{// 默认情况下ForwardedHeadersOptions有默认的设置和代理，这里要清除掉options.KnownNetworks.Clear();options.KnownProxies.Clear();options.ForwardedHeaders = ForwardedHeaders.All;// 允许输出所有类型头});
}
public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{if (Configuration.GetValue("USE_PathBase", false)){app.Use((context, next) =>{context.Request.PathBase = new PathString("/mobile");return next();});}if (Configuration.GetValue("USE_Forwarded_Headers", false)){app.UseForwardedHeaders();}// 通过上述两段代码就可以使应用程序正确感知到用户的原始响应，默认情况下应用程序是没有开启这两段设置的
}// 控制器测试
[HttpGet]
public IActionResult ShowRequestUri(){return Content(Request.GetDisplayUrl());}[HttpGet]public IActionResult ShowHeaders(){var sb = new System.Text.StringBuilder();foreach (var item in Request.Headers){sb.AppendLine($"{item.Key}:{item.Value}");}return Content(sb.ToString());}