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                                  • Hi!

                                    From time to time an error happens in my client's XAF site.

                                    I attached log file and my solution.

                                    Thank you for any help!

                                    Error message below:

                                    Event code: 3005
                                    Event message: An unhandled exception has occurred.
                                    Event time: 11/20/2011 2:27:34 PM
                                    Event time (UTC): 11/20/2011 7:27:34 PM
                                    Event ID: b9db999f791a490ea7a85af2aa663b34
                                    Event sequence: 2
                                    Event occurrence: 1
                                    Event detail code: 0
                                     
                                    Application information:
                                        Application domain: /LM/W3SVC/1/ROOT-1-129662399822769609
                                        Trust level: Full
                                        Application Virtual Path: /
                                        Application Path: C:\inetpub\wwwroot\thor\
                                        Machine name: TH2K8DS01
                                     
                                    Process information:
                                        Process ID: 2860
                                        Process name: w3wp.exe
                                        Account name: IIS APPPOOL\DefaultAppPool
                                     
                                    Exception information:
                                        Exception type: HttpException
                                        Exception message: A potentially dangerous Request.Path value was detected from the client (:).
                                       at System.Web.HttpRequest.ValidateInputIfRequiredByConfig()
                                       at System.Web.HttpApplication.PipelineStepManager.ValidateHelper(HttpContext context)

                                     
                                     
                                    Request information:
                                        Request URL: http://72.251.222.79/w00tw00t.at.blackhats.romanian.anti-sec:)
                                        Request path: /w00tw00t.at.blackhats.romanian.anti-sec:)
                                        User host address: 188.165.213.213
                                        User:
                                        Is authenticated: False
                                        Authentication Type:
                                        Thread account name: IIS APPPOOL\DefaultAppPool
                                     
                                    Thread information:
                                        Thread ID: 76
                                        Thread account name: IIS APPPOOL\DefaultAppPool
                                        Is impersonating: False
                                        Stack trace: at System.Web.HttpRequest.ValidateInputIfRequiredByConfig()
                                       at System.Web.HttpApplication.PipelineStepManager.ValidateHelper(HttpContext context)
                                     
                                     
                                    Custom event details:

                                A potentially dangerous Request.Path.rar
                                0

                                Hi Vyacheslav,

                                Your logs show that the Request.Path property value contains the ":" character, which is considered as a possible attack evidence. Please try a solution suggested in ticket B155972 (An HttpRequestValidation exception occurs when entering a date value into the CriteriaPropertyEditor (.NET 4.0)). If this does not help, please provide us with detailed instructions on how to reproduce this issue.

                                Thanks,
                                Michael.

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