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  • md5 hash for file without File Attributes

    - by Glennular
    Using the following code to compute MD5 hashs of files: Private _MD5Hash As String Dim md5 As New System.Security.Cryptography.MD5CryptoServiceProvider Dim md5hash() As Byte md5hash = md5.ComputeHash(Me._BinaryData) Me._MD5Hash = ByteArrayToString(md5hash) Private Function ByteArrayToString(ByVal arrInput() As Byte) As String Dim sb As New System.Text.StringBuilder(arrInput.Length * 2) For i As Integer = 0 To arrInput.Length - 1 sb.Append(arrInput(i).ToString("X2")) Next Return sb.ToString().ToLower End Function We are getting different hashes depending on the create-date and modify-date of the file. We are storing the hash and the binary file in a SQL DB. This works fine when we upload the same instance of a file. But when we save a new instance of the file from the DB (with today's date as the create/modify) on the file-system and then check the new hash versus the MD5 stored in the DB they do not match, and therefor fail a duplicate check. How can we check for a file hash excluding the file attributes? or is there a different issue here?

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  • rpcbind authorization problems

    - by Milan
    Hy, I am using rpcbind (SunRPC) on Arch linux and python rpc.py (wich use standard python socket module) interface for comunication with it, but every time I try to send request for registration or unregistration to rpcbind I get message that I am rejected for security reasons. Only situation when everything works is that when I call rpcbind in insecure mode (rpcbind -i) but I realy want to make everything works in secure mode.I found information from rpcbind datasheet that i can make request in secure mode only from loopback address, but I have tried every aproach i had knew to make such socket and everything fall down. Please help me. Thank you

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  • Using makecert for Development SSL

    - by John
    Here's my situation: I'm trying to create a SSL certificate that will be installed on all developer's machine's, along with two internal servers (everything is non-production). What do I need to do to create a certificate that can be installed in all of these places? Right now I've got something along these lines, using the makecert application in Microsoft Visual Studio 8\SDK\v2.0\Bin: makecert -r -pe -n "CN=MySite.com Dev" -b 01/01/2000 -e 01/01/2033 -eku 1.3.6.1.5.5.7.3.1 -ss Root -sr localMachine -sky exchange -sp "Microsoft RSA SChannel Cryptographic Provider" -sy 12 mycert.cer However, I'm not sure as to how to place this .cer file on the other computers, and when I install it on my local machine IIS, everytime I visit a page via https:, I get the security prompt (even after I've installed the certificate). Has anyone done this before?

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  • Attribute class not calling constructor

    - by Coppermill
    I have created an Attribute, call MyAttribute, which is performing some security and for some reason the Constructor is not being fired, any reason why? public class Driver { // Entry point of the program public static void Main(string[] Args) { Console.WriteLine(SayHello1("Hello to Me 1")); Console.WriteLine(SayHello2("Hello to Me 2")); Console.ReadLine(); } [MyAttribute("hello")] public static string SayHello1(string str) { return str; } [MyAttribute("Wrong Key, should fail")] public static string SayHello2(string str) { return str; } } [AttributeUsage(AttributeTargets.Method)] public class MyAttribute : Attribute { public MyAttribute(string VRegKey) { if (VRegKey == "hello") { Console.WriteLine("Aha! You're Registered"); } else { throw new Exception("Oho! You're not Registered"); }; } }

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  • How can I create and manage a multi-tenant ASP MVC application

    - by Wizzarding
    Hi, I want to create a multi-tenant application that uses the hostname to determine the customer. For example: CustomerOne.myapp.com AnotherCo.myapp.com AndOneMore.myapp.com ... I can do the database and security side with no problems, I can also get the hostname from the URL, but what I am struggling to find out is how to create the basic plumbing that would allow a new customer to sign up online, provide their company name, and for the application to create the new URL, ready to be used straight away. Can anyone help? Thanks, Rob.

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  • Key stroke time in Openmoko or any smart phones

    - by Adi
    Dear all, I am doing a project in which I am working on security issues related to smart phones. I want to develop an authentication scheme which is based on biometrics, Every human being have a unique key-hold time,digraph time error rate. Key-Hold Time : Time difference between pressing and releasing a key . Digraph Time : Time difference between releasing one and pressing next one. Error Rate : No of times backspace is pressed. I got these metrics from a paper "Keystroke-based User Identification on Smart Phones" by Saira Zahid1, Muhammad Shahzad1, Syed Ali Khayam1,2, Muddassar Farooq1. I was planning to get the datasets to test my algorithm from openmoko phone, but the phone is mis-behaving and I am finding trouble in generating these time data-sets. If anyone can help me or tell me a good source of data sets for the 3 metrics I defined, it will be a great help. Thanks Aditya

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  • asp.net free cms for library

    - by Andrew Florko
    We have library website written in classic ASP that allows to browse and search by multiple (50+) filter criterias (author, publication year, ISSN ... ). There are lots of security holes and we have only one developer who hardly maintain this ASP-site with some minor features for last 3 years. There are two common user groups - administrators (librarians) and students (5000+) who have books on hands and searches for them. We don't want to rewrite it from scratch, just to use standard free CMS (.net based) and migrate library data and user accounts with minimum effort. What CMS will you suggest? Thank you in advance.

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  • How to call webservice using same credentials as Sharepoint?

    - by Saab
    Is it possible to do a webservice call from within an Excel sheet that has been downloaded from a sharepoint server, using the same credentials as the ones that are used for accessing the Sharepoint server? We're currently developing an Excel solution, which does webservice request from within the Excel sheet. This works fine, but the user has to log in at least twice : one for downloading/opening the Excel sheet from Sharepoint, and one to be able to execute the webservice using the right credentials. The Sharepoint server and the client machine are not in the same Active Directory domain. So "System.Security.Principal.WindowsIdentity.GetCurrent()" is not an option, since this will return a user that doesn't exist on the server.

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  • VS2010 Clean Web.configs - not updating

    - by cw
    Hello, I'm messing around with MVC 2.0 on VS2010 and am having an issue getting the clean web config feature working. Basically in my Web.debug.config I have <connectionStrings xdt:Transform="Replace"> <add name="ApplicationServices" connectionString="Server=localhost;Database=SITE_DB;User ID=dbuser;Password=P@ssw0rd;Trusted_Connection=False;" /> </connectionStrings> and in my Web.config I have <connectionStrings> <add name="ApplicationServices" connectionString="data source=.\SQLEXPRESS;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|aspnetdb.mdf;User Instance=true" providerName="System.Data.SqlClient" /> </connectionStrings> When I run the site in debug mode, I'd expect that xdt:Transform="Replace" would replace the entire connectionStrings section with what is in the Web.debug.config. Am I assuming wrong? Or am I doing something else incorrect. Not much info posted around this and I'd figure I'd ask you guys.

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  • sql exception when transferring project from usb to c:\

    - by jello
    I'm working on a C# windows program with Visual Studio 2008. Usually, I work from school, directly on my usb drive. But when I copy the folder on my hard drive at home, an sql exception is unhandled whenever I try to write to the database. it is unhandled at the conn.Open(); line. here's the exception unhandled Database 'L:\system\project\the_project\the_project\bin\Debug\PatientMonitoringDatabase.mdf' already exists. Choose a different database name. Cannot attach the file 'C:\Documents and Settings\Administrator\My Documents\system\project\the_project\the_project\bin\Debug\PatientMonitoringDatabase.mdf' as database 'PatientMonitoringDatabase'. it's weird, because my connection string says |DataDirectory|, so it should work on any drive... here's my connection string: string connStr = "Data Source=.\\SQLEXPRESS;AttachDbFilename=|DataDirectory|\\PatientMonitoringDatabase.mdf; " + "Initial Catalog=PatientMonitoringDatabase; " + "Integrated Security=True";

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  • Adding AllowPartiallyTrustedCallersAttribute To Paypal ASP.NET SDK

    - by snwr
    Currently, I cannot use Paypal Pro on my host (GoDaddy) because it requires Full trust level. After digging in Google, it seems a workaround is possible by adding AllowPartiallyTrustedCallersAttribute to the Paypal assembly. I have seen code samples that use AllowPartiallyTrustedCallersAttribute in their AssemblyInfo.cs file, however, I've yet to run into a code example that also happens to be using PayPal. My question is where should the AllowPartiallyTrustedCallersAttribute be added in my project if my objective is to make the PayPal assembly work? I have tried adding it to my AssemblyInfo.cs for the project that contains the entire website, but I have not been successful. At this point, any insight or shot in the dark would be greatly appreciated. Even if someone could point me in the general direction of some documentation I would be grateful. AllowPartiallyTrustedCallersAttribute Reference: http://msdn.microsoft.com/en-us/library/system.security.allowpartiallytrustedcallersattribute.aspx

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  • Copied App.config to (Assembly).exe.config but from folder debug application doesn't run

    - by uugan
    Gives error: "The specified named connection is either not found in the configuration, not intended to be used with the EntityClient provider, or not valid" App.config looks like and it's same as (Assembly.exe.config) config file for output: <?xml version="1.0" encoding="utf-8"?> <configuration> <connectionStrings> <add name="Entities1" connectionString="metadata=res://*/;provider=System.Data.SqlClient;provider connection string='data source=localhost;initial catalog=DatabaseName;integrated security=True;multipleactiveresultsets=True;App=EntityFramework'" providerName="System.Data.EntityClient" /> </connectionStrings> </configuration> How to run exe with it's configuration file? I tried to change '' to quot but nothing has changed.

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  • ASP.NET MVC + MySql Membership Provider, user cannot login

    - by Jason Miesionczek
    Hello, I've been playing around with using MySql as the membership provider for asp.net mvc forms authentication. I've got things configured correctly as far as i can tell, and i can create users via both the register action and asp.net web config site. however, when i try to login with one of the users, it does not work. it returns an error as if i had entered a wrong password, or if the account doesn't exist. i have verified in the database that the account does exist. I've followed the instructions here for reference: http://blog.tchami.com/post/ASPNET-MVC-2-and-MySQL-Membership-Provider.aspx here is my web.config: <?xml version="1.0"?> <!-- For more information on how to configure your ASP.NET application, please visit http://go.microsoft.com/fwlink/?LinkId=152368 --> <configuration> <connectionStrings> <add name="MySQLConn" connectionString="Server=localhost;Database=intereditor;Uid=<user>;Pwd=<password>;"/> </connectionStrings> <system.web> <compilation debug="true" targetFramework="4.0"> <assemblies> <add assembly="System.Web.Abstractions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" /> <add assembly="System.Web.Routing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" /> <add assembly="System.Web.Mvc, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" /> </assemblies> </compilation> <authentication mode="Forms"> <forms loginUrl="~/Account/LogOn" timeout="2880" name=".ASPXFORM$" path="/" requireSSL="false" slidingExpiration="true" enableCrossAppRedirects="false" /> </authentication> <membership defaultProvider="MySqlMembershipProvider"> <providers> <clear/> <add name="MySqlMembershipProvider" type="MySql.Web.Security.MySQLMembershipProvider,MySql.Web,Version=6.3.4.0, Culture=neutral,PublicKeyToken=c5687fc88969c44d" autogenerateschema="true" connectionStringName="MySQLConn" enablePasswordRetrieval="false" enablePasswordReset="true" requiresQuestionAndAnswer="false" requiresUniqueEmail="false" passwordFormat="Hashed" maxInvalidPasswordAttempts="5" minRequiredPasswordLength="6" minRequiredNonalphanumericCharacters="0" passwordAttemptWindow="10" passwordStrengthRegularExpression="" applicationName="/" /> </providers> </membership> <profile defaultProvider="MySqlProfileProvider"> <providers> <clear/> <add name="MySqlProfileProvider" type="MySql.Web.Profile.MySQLProfileProvider,MySql.Web,Version=6.3.4.0,Culture=neutral,PublicKeyToken=c5687fc88969c44d" connectionStringName="MySQLConn" applicationName="/" /> </providers> </profile> <roleManager enabled="true" defaultProvider="MySqlRoleProvider"> <providers> <clear /> <add name="MySqlRoleProvider" type="MySql.Web.Security.MySQLRoleProvider,MySql.Web,Version=6.3.4.0,Culture=neutral,PublicKeyToken=c5687fc88969c44d" connectionStringName="MySQLConn" applicationName="/" /> </providers> </roleManager> <pages> <namespaces> <add namespace="System.Web.Mvc" /> <add namespace="System.Web.Mvc.Ajax" /> <add namespace="System.Web.Mvc.Html" /> <add namespace="System.Web.Routing" /> </namespaces> </pages> </system.web> <system.webServer> <validation validateIntegratedModeConfiguration="false"/> <modules runAllManagedModulesForAllRequests="true"/> </system.webServer> <runtime> <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1"> <dependentAssembly> <assemblyIdentity name="System.Web.Mvc" publicKeyToken="31bf3856ad364e35" /> <bindingRedirect oldVersion="1.0.0.0" newVersion="2.0.0.0" /> </dependentAssembly> </assemblyBinding> </runtime> </configuration> Can anyone please help me identify what is wrong so that users can login? UPDATE So after debugging the login process in the code of the membership provider itself, i discovered that there is a bug in the provider. There is a discrepancy between the password hash that is stored in the database, and the has that is generated based on the inputted password. As a workaround for my issue, i changed the password format to 'encrpyted' and added a machine key to my web.config. I am still interested in figuring out the issue with the hashed format in the provider, and will spend some more time debugging it, and if i can figure out the problem, i will put together a patch and submit it.

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  • Problem in SQL Server 2005 using ASP.Net

    - by megala
    I created one ASP.Net project using SQLServer database as back end.I shows the foollwing error .How to solve this? ===============Coding Imports System.Data.SqlClient Partial Class Default2 Inherits System.Web.UI.Page Dim myConnection As SqlConnection Dim myCommand As SqlCommand Dim ra As Integer Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click myConnection = New SqlConnection("Data Source=JANANI-FF079747\SQLEXPRESS;Initial Catalog=new;Persist Security Info=True;User ID=sa;Password=janani") 'server=localhost;uid=sa;pwd=;database=pubs") myConnection.Open() myCommand = New SqlCommand("Insert into table3 values 'janani','jan'") ra = myCommand.ExecuteNonQuery() ========---> error is showing here MsgBox("New Row Inserted" & ra) myConnection.Close() End Sub End Class =========Error Message============ ExecuteNonQuery: Connection property has not been initialized.

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  • Lotus Notes doesn't send customised button

    - by damo_inc
    Hi All, I created a customised button with some simple actions attached to it in Lotus Notes 6.5. It's just a simple voting button, which I emailed to a group of nearly 200 people. While sending I got a pop up telling me that the button can't be send. After about 10 seconds I got a first reply asking 'where's the button'. Then an avalanche of very clever emails followed, such as: 'no button', 'where's the button', etc. Before I spammed everyon I had tried the email on my work mate and the button went through fine! Any ideas? I suspect some security policy.... I really need to send this mail and get the survey results, so I don't want to fail again. Any suggestions appreciated. Many Thanks, Damo

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  • Problem authenticating with shiro in grails app

    - by xain
    I have a grails 1.2 app and I want to use declarative security in order to restrict accesses based on roles. I decided to try shiro, installed the plugin, but when I try to authenticate, the message "Invalid username and/or password" shows up in the header. I check the db entry and the user is there with the sha'ed password. No messages are shown neither in the console nor in the stacktrace file. I added "warn 'org.jsecurity'" to Config.groovy with no results. Any hints/tricks to troubleshoot this ?

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  • Use of COM object in IIS 7

    - by Wouter d.A.
    Hi all, I am currently moving an ASP.NET web-project from an IIS 6 to a IIS 7 hosting environment. Everything seems to be running OK, except my calls to a COM object. I can perfectly instantiate an object of the COM type, but when I call one of its methods, the IIS crashes. The event log reports an error code "0xc0000374", which indicates a heap corruption. When I run the application inside the visual studio development server, everything goes well and the COM object code gets executed without any errors. This is also the case when the application is hosted on an IIS 6 machine. I have looked through all settings of the IIS 7 and have not found anything configurable for COM objects, like security or ... I have been struggling with this for a while and I'm out of ideas. Does anyone have any experience deploying COM objects on IIS 7? Your help would be very appreciated!

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  • How can I embed a PDF in a Word Doc, and access that PDF with VBA?

    - by Austin R
    I have a word doc with some ActiveX buttons on it. When one of these buttons is pressed, a UserForm pops up with a corresponding PDF displayed, like so: This is exactly the behavior I want. However, the problem is that for this to work, the user of the word doc needs to have each of the PDFs saved on their machine as well. Here's the code for one of the buttons: Private Sub AC1Button_Click() DisplayForm.AcroPDF1.LoadFile ("C:\Users\arose\Desktop\Security Control Doc\Sub PDFs\AC1.pdf") DisplayForm.Show End Sub As you can see, the path is hardcoded in. I need to be able to distribute this word doc without needing to distribute a bunch of PDFs along with it, so is there any way to embed PDFs in a word document in such a way that they're accessible by VBA? I've discovered here that it's reasonably easy to embed a PDF in any office doc. And I've tried that: But I can't figure out how to access that PDF object in my VBA code, in order to display it on the UserForm. Any insight is appreciated, thanks!

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  • How to add a Web Reference to a SSL web service?

    - by Matt W
    Hi, I have a web service in a C#/3.5 project which has been running fine. This is until I set the "SSL port" in IIS to 443 and set the "IIS - Directory Security - Secure Communications - Require secure channel (SSL)" option to true. Now, the web reference cannot be updated and I cannot add a new web reference to the web service in that site. When I try to view the service in a browse using just HTTP I get the "This page must be viewed over a secure channel" and when viewed with HTTPS on the front I get "This web page not available." Could someone tell me how to get a Web Reference added using Visual Studio to this secure web service, please? Thanks, Matt.

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  • Macros no longer working in VS2005

    - by NPVN
    I'm using VS2005 on Vista. I'm using some macros, but now they have suddenly stopped working. No error messages of any kind. I am not aware of having done anything that could trigger this. I have made sure that "Allow macros to run" is checked in Tools-Options-Addin/Macro Security. I have tried running the macros from a keyboard shortcut, from the Macro Explorer, and from the Macros IDE, all in vain: The little spinning icon displays shortly (<1 sec) and then disappears without the macro being executed. I have tried putting a breakpoint on the first line of the macro and then executing it from the main IDE, with no effect (the breakpoint isn't hit). I have tried the same from the Macro IDE: The state changes to "running", but the breakpoint isn't hit. I have to break the execution manually. Any ideas?

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  • Graceful handling of server timeout in BlazeDS

    - by Rydell
    I have a flex client that makes service calls to a tomcat server running BlazeDS. I would like to gracefully handle server session timeouts in this environment. I do have security constraints on the service, so the client authenticates against a remote object by initializing a ChannelSet based on the destination, and then logging in using that ChannelSet. After the user is authenticated, if they go get a (long) cup of coffee, their session will inevitably time out. I would like the client to detect the timeout, and return the user back to the login page, with the appropriate informational messages. But I am having difficulty finding the best way to detect this timeout from the client. Is it possible, or must I have the server throw an error when the timeout occurs? Thanks!

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  • Do I need to auto-login after account activation?

    - by Art
    This is the standard scenario: User registers on the site User receives an account activation email, clicks link to activate Web site notifies the user that account is activated Now there are at least two pathways: User is taken to the login screen and asked to enter login details User is automatically logged in and taken to a welcome/profile/etc page While there are obvious benefits in (1) as far as the user's experience is concerned, there could be drawbacks as well. Option (2) offers improved security at cost of UX. Which of the scenarios is preferable and why? Any serious flaws in any of them?

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  • Why exactly is eval evil?

    - by Jay
    I know that Lisp and Scheme programmers usually say that eval should be avoided unless strictly necessary. I´ve seen the same recommendation for several programming languages, but I´ve not yet seen a list of clear arguments against the use of eval. Where can I find an account of the potential problems of using eval? For example, I know the problems of GOTO in procedural programming (makes programs unreadable and hard to maintain, makes security problems hard to find, etc), but I´ve never seen the arguments against eval. Interestingly, the same arguments against GOTO should be valid against continuations, but I see that Shemers, for example, won´t say that continuations are "evil" -- you should just be careful when using them. They´re much more likely to frown upon code using eval than upon code using continuations (as far as I can see -- I could be wrong).

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  • Is it possible to use JSONP on the server?

    - by Denis Hoctor
    Hi all, I'm stuck on a clients host that has medium trust setup which blocks cross domain requests and need data from a 3rd party domain. I now have the option to use JSONP. I've used JSONP from the client with jQuery to get around the browsers cross domain security and I've used HttpWebRequest in ASP.Net 3.5. Is it possible to use JSON on the server and if so how? I don't think it is, but worth asking seeing as I already have this app written server side.... Thanks, Denis

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  • Browser Helper Object doesnot get loaded in IE8

    - by velusbits
    I have a BHO, which i can see it as enabled in Add On's list. But it does not get loaded when i start my IE on the Win2k8 R2 machines(64 bit). I have disabled IE Enhanced security as well but no help. The same BHO gets loaded in other machines. The registry details under (HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects & HKEY_CLASSES_ROOT\Wow6432Node\CLSID) seem to be fine. Is there any setting that disables BHO from actually getting loaded?

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