Ein Fehler ist aufgetreten

Message: A potentially dangerous Request.QueryString value was detected from the client (grablage="..., El 04+36").

Source: System.Web

User:

ALL_HTTP: HTTP_ACCEPT:*/* HTTP_ACCEPT_ENCODING:gzip, br, zstd, deflate HTTP_HOST:museenkoeln.de HTTP_REFERER:http://museenkoeln.de/NS-DOKUMENTATIONSZENTRUM?buchstabe=K%c3%b6ln-Nord&grablage=K%c3%b6ln-Nord%2c+El+04%2b36%3cNZ%3e%3cNZ%3e HTTP_USER_AGENT:Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

REMOTE_ADDR: 18.117.105.40

HTTP_REFERER: http://museenkoeln.de/NS-DOKUMENTATIONSZENTRUM?buchstabe=K%c3%b6ln-Nord&grablage=K%c3%b6ln-Nord%2c+El+04%2b36%3cNZ%3e%3cNZ%3e

Error In: http://museenkoeln.de/NS-DOKUMENTATIONSZENTRUM/pages/120.aspx?buchstabe=Köln-Nord&grablage=Köln-Nord,+El+04+36

Query String: buchstabe=K%u00f6ln-Nord&grablage=K%u00f6ln-Nord%2c+El+04%2b36%3cNZ%3e%3cNZ%3e

Target Site: Void ValidateString(System.String, System.String, System.Web.Util.RequestValidationSource)

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_QueryString() at System.Web.UI.Page.GetCollectionBasedOnMethod(Boolean dontReturnNull) at System.Web.UI.Page.DeterminePostBackMode() at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) at System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) at System.Web.UI.Page.ProcessRequest() at System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context) at System.Web.UI.Page.ProcessRequest(HttpContext context) at ASP.pages_120_aspx.ProcessRequest(HttpContext context) at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)

Message: System.Web.HttpRequestValidationException (0x80004005): A potentially dangerous Request.QueryString value was detected from the client (grablage="..., El 04+36"). 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_QueryString() at System.Web.UI.Page.GetCollectionBasedOnMethod(Boolean dontReturnNull) at System.Web.UI.Page.DeterminePostBackMode() at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) at System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) at System.Web.UI.Page.ProcessRequest() at System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context) at System.Web.UI.Page.ProcessRequest(HttpContext context) at ASP.pages_120_aspx.ProcessRequest(HttpContext context) at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously).