.NET Security

Local C# network application developed using VS .Net 1.  While do some local network users able to Trust The Assembly via the Control Panel .Net Framework wizard while others can not because of “security policy”.  Why? ...

Hello - I have existing users in a CSK-schema who each have passwords. I need to migrate these users to the asp.net tables in .net 2, but I haven't found any way to set the new passwords, password salt and password question properly. ...

Hi, I have written an application in C# which works well in a local machine. However, it gives me a security exception when I copy the .exe file to a Windows 2003 server computer in the same network and try to run it from ...

We've been writing various apps in .NET for a while now without thinking much about code access security.  Now, having looked some into CAS pertaining to smart client apps and reporting services, I'm wondering why CAS doesn't stop ...

My team is developing a new software system that is replacing several existing applications.  The applications being replaced focus on billing and customer relationship management. Our company is an international corporation that serves a large number of customers (hundreds of thousands) spread throughout the US and Canada.  For ...

I am implementing a mix of  windows and forms authentication to allow users on the domain account to bypass the login form, however I want to check role authorization for both internal and external users from a database. The only ...

Hi, all: I have a problem when trying to execute a DLL. I explain you: I have two machines, in two different domains. In one machine I´ve created a folder that contais a .net windows application. This application is only a ...

Hi, I've got a collection of classes that encapsulate data records. Each of these classes, through a common base class, can copy itself (This is not a straightforward memberwise clone, but rather the ability for object A to copy itself to an existing object B in a specific manner). ...

I am developing a winforms control which is strong-named and digitally signed . My customers complain that the control connects to the Internet when it is loaded, but I am sure my code doesn't do that. So my question is ...

Computer A is running an application that needs to find a certain file in an FTP site folder that is also on computer A. The user that is logged on to computer A is the domain administrator (the computer runs 24-7 without user interaction) ...

How do I turn this flag on from C#? I need to ensure files created in the directory inherit that directory's ACL. I am currently setting permissions like this: ActiveDs.SecurityDescriptor sd = null; ActiveDs.AccessControlEntryClass ace = null; ADsSecurityUtilityClass asu = new ADsSecurityUtilityClass(); ...

Hi All, I would like to know if it´s possible to grant to my assembly just an execution permission using this: [assembly: SecurityPermission(SecurityAction.RequestMinimum, Execution=true)], and then on my method which requires FileIOPermssion i use something like ...

Hi EveryBody: I made directory by using VB.Net by the following method: Directory.Directorycreat("C:\Husam") first I was thinking to make this directory invisable so I used Fileattributes to make it hide. But as you know any user can find this directory by going to tools and ...

I have spent the better part of the morning researching this phenonenom and found numerous entries.  Much discussion about setting the timeout values on the authentication as well as slidingexpiration.  I have not seen any one verifying that any of these steps were successful, and ...

Hi, after attaching a principal to an AppDomain with SetThreadPrincipal, is it possible to undo this setting in order to set another principal ? The method AppDomain.SetThreadPrincipal doesn't accept NULL as an argument, so what ? Oriane ...

Hi I have an application which i can't understand why CAS refuses it permission to run. Is there a way or a tool to pinpoint what's going wrong with this exe file ? I really can't figure out what's missing. ...

I am experiencing a permissions error in a .NET web application trying to find if the user exists in a Domain Group. I am using C#. The web site is configured to use windows Authentication. web.config:     <identity impersonate="true"/> ...

Hi, I have some C# code to encrypt a small amount (128 bits) of data using RSA (it uses the RSACryptoServiceProvider).  However, the ciphertext generated is 1024 bits.  (Of course, when I use AES to do the same thing, the ciphertext is 128 bits.)  This may be a limitation of RSA, in general---I don't know.  Is there a way to get the MS RSA implementation to generate encrypted data that is the same size as the plaintext?  Is there another asymmetric cipher supported by MS that will yield ciphertext that is the same size as the plaintext?  In my case, I need 128 bit values that, when encrypted, are still 128 bits. ...

(Type your message here) I use Forms authentication in my ASP.NET project. The authentication works without any problems on Windows Server 2000. On Windows XP I?ve been struggling to get it work. I?ve got many troubles with this, some of them I?ve managed to fix. ...