.NET Security

Hi, The following exception occured when I tried to create an appdomain. "System.Security.SecurityException: Request for the permission of type 'System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.    at System.AppDomain.CreateDomain(String friendlyName, Evidence ...

We have two applications hosted on the same web server. The authentication section of the web.config file is the same in each; it is <authentication mode="Forms">   <forms name=".MyCookie" loginUrl="Login.aspx" protection="All" ...

Ok, with the help of some examples found on the web and some minor modifications on our own, we have a simple and working encrypt and decrypt solution.  It runs as a service, watches for files with a specific extension in a specific directory.  The files are uploaded by ...

Code Access Security: Can anybody tell me the different in using ”policy files” referenced in the web.config file and setting up security in the “.Net Configuration tool” ? Thanks in advance! Christian ...

Hello: We are developing about 40 online tools for our website. These tools will be grouped and users will be given access to those tools which they have signed up for, more like they belong to different groups. We are ...

I have written an HTTP module that uses Authorization Manager to control access to ASP.NET pages.  The code works as desired on Windows 2003.  Windows 2003 is not currently certified for production use at my client so I need to ...

I need to write a simple ASP.Net application.  In it, I need to discover the current user's Windows logon name.  To do this, I've created a web.config with these contents (from another post seen here): ...

I am converting the asp.net application from window authentication to form authentication. originally, the application create identity , principal , add session under Session_Start event for window authentication, like: WindowIdentity wi=httpContext.current.user.Identity; GenericPrincipal pp= new GenraicPrincipal(wi,roles); ...

I've written a Windows Service in .NET that performs Administrative tasks on remote systems.  The service runs under credentials that have domain admin rights on the DEV domain. A client (who does not have trusts established between domains) has ...

I have a situation where domain users are part of the Users group on the local machine. I'm using Netrun from Lhotkas CSLA . Netrun creates a temporary AppDomain with full trust.  I also gave Full Trust to the directory at the enterprise, ...

Hi, I have the following problem... Pre-requisites: Installation of an Asp.net webservice on a IIS5 server (win2k). Anonymous access is not allowed, only using windows authentication (intranet app), webmethoda are using the Principalpermssion attribute ([PrincipalPermission(SecurityAction.Demand, Role=@"DomainName\WindowsGroup...")]) for identification. ...

Hello, Could somebody tell me how I can limit the concurrent connections on a share via .net code? Or is there a better way to limit concurrent connections to a given .exe file? ...

I'm working on a .NET Winforms control used in a web page. It has a LoadFromString method used to load information from a hidden html field. The string is created on the server side via corresponding SaveToString method. LoadFromString decodes the string into binary format in a byte array, ...

This happens when I used Rijndael 128 or TripleDES 192.... The following code always throws "Length of the data to encrypt is invalid". ICryptoTransform trans = algorithm.CreateEncryptor(algorithm.Key, algorithm.IV); MemoryStream ms = new MemoryStream(); CryptoStream cs = new CryptoStream(ms, trans, CryptoStreamMode.Write); ...

Hello, I'm writing a security related application in .NET 1.1 and I wonder how I compute hashes from very large files (up to 1 GB). Does anybody know a good pattern of how to create a stream from a binary ...

Is there a way to get the current logged user on a computer from a windows app. thanks, Victor ...