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The LogonUser API        
Total Hits: 197  |  Today: 0 Author: Brian Desmond       Rating:  
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Learn how to authenticate domain users via web forms using a simple Win32 API. Users will not be prompted with the standard and oftentimes confusing Windows Logon dialog....

Multi-User Login and Authentication Code        
Total Hits: 265  |  Today: 0 Author: Rahul Mahajan.       Rating:  
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This article provides a fully functional code for protecting websites from unwanted visitors. The code is developed in ASP (Active Server Pages) and VBScript (Visual Basic Scripting). The aim of developing code in ASP and VBScript is because both languages are cross-browser compliant and give a more secured way to protect website content. The code runs on both session cookies (hidden cookies) and textual cookies (not the JavaScript ones). The session cookie gives more security to web content and...

Web-based Active Directory Login        
Total Hits: 342  |  Today: 0 Author: Faisal Haroon.       Rating:  
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Web-based Active Directory Login implements central sign-on system for web-based applications. It was developed to eliminate maintenance of user passwords in database, whether encrypted or not. A user running application from desktop enjoys liberty to access resources and/or services on the network which he has permission to do from Windows. On the other hand, web-based applications run in a security context entirely different from that of a desktop application. Same user while running applicati...

Authenticating Users Using Login Control        
Total Hits: 231  |  Today: 0 Author: AzamSharp       Rating:  
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In this article we will see different methods of authentication using new Login control which is introduced in ASP.NET 2.0. The first method will deal with MemberShip API and will show that how simple it is to authenticate using new API. Second method describes the custom authentication against the SQL SERVER 2000 database. And finally we will see custom authentication against an XML file....

Assuming the Identity of a Domain user to access Exchange via CDO        
Total Hits: 139  |  Today: 0 Author: Keith Dean.       Rating:  
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Although we all appreciate the need for security, there are times when you would like to avoid the need to login to a web page to view a public or corporate Mailbox/Calendar/Tasklist via Collaborative Data Objects (CDO). This code allows a user to assume the identity of an existing user, and avoids the NT challenge response prompt. It could also be used anywhere that it is desirable to allow for access to a resource accessible via NT authentication. This approach in effect simulates the provisio...

How to use log4net        
Total Hits: 307  |  Today: 0 Author: Suman Kumar.       Rating:  
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This article describes the basic steps to be followed for using Log4net in a web application. Log4net (http://logging.apache.org/log4net/) is an open source library that allows .NET applications to log statements to a variety of targets....

Logging ASP.NET Application Shutdown Events        
Total Hits: 101  |  Today: 0 Author: Scott Guthrie       Rating:  
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In this article, Scott demonstrates how to log ASP.NET application shutdown events.
Someone on a listserv recently asked whether there was a way to figure out why and when ASP.NET restarts application domains. Specifically, he was looking for the exact cause of what was triggering them on his application in a production shared hosted environment (was it a web.config file change, a global.asax change, an app_code directory change, a directory delete change, max-num-compilations reached quota,...

C# Log4Net Sample        
Total Hits: 323  |  Today: 1 Author: Charles M. Carroll       Rating:  
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Log4Net is a great logging library that is multi-platform (Java, PHP, C++, plSQL, etc). It has many conveniences but the ones that caught my attention are:
* The ability to change the logging destination with a configuration change at runtime, and for multiple logging destinations.
* The well behaved fact that errors in the logging library/configuration never bubble to the application.
* The extensibility by design of Log4net....

JavaScript and ASP.NET Login Verification        
Total Hits: 1405  |  Today: 0       Rating:  
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Some may not agree but there are some ways that JavaScript and ASP.NET just click. If done correctly these two languages work extremely well together. One way that I have found that works extremely well for me is a login verification system using some JavaScript on the client and ASP.NET as the connection into our database to verify the information entered. Below is the script and explanation of how these two languages can sometimes work well hand in hand....

Creating a Microsoft .NET Passport-Authenticated Web Site with ASP.NET        
Total Hits: 421  |  Today: 0       Rating:  
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How to configure your machines to work with Microsoft .NET Passport in a development environment; includes using Microsoft .NET Framework classes to perform .NET Passport single sign-in....

“Your Login Attempt was not Successful. Please Try Again.” - ASP.NET Login Control.        
Total Hits: 72  |  Today: 0 Author: guru.sarkar       Rating:  
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If you are developing using ASP.NET membership and login controls, you will be seeing the above image. This article will discuss how to prevent and/or cure this....

Simple User Account Login        
Total Hits: 58  |  Today: 0 Author: Marc Clifton       Rating:  
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This is a simple demonstration of managing user account information on a server using ASP.NET. I decided that this might be a good way to get my feet wet in the whole ASP.NET environment, and the trials that I went through to get this far, might be of interest (and amusement!) to everyone else.

I am very much indebted to the numerous people on CP, who have helped answer some of my very basic questions. You all know who you are, and I thank you very much for your help....

IP Logger        
Total Hits: 56  |  Today: 0 Author: Igor Krupitsky       Rating:  
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My Internet service provider gives me a static IP number but constantly changes it. This makes it difficult to remotely access my home PC from work. This simple program is designed to solve the problem of keeping track of your changing IP number....

ASP.NET Tip: Persistent Logins Under ASP.NET 2.0        
Total Hits: 123  |  Today: 0 Author: Eric Smith       Rating:  
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For some sites, allowing users to "save their passwords" is not a major security concern, and it speeds up the user's ability to interact with the site. Assuming your site security can allow for persistent logins, this feature also is easy to provide. Under ASP.NET 1.x, the built-in FormsAuthentication enabled this very easily: it simply specified a True argument when the user ID was saved using FormsAuthentication.RedirectFromLoginPage....

Changing the Login Control to Display a List of Users        
Total Hits: 69  |  Today: 0 Author: Imar Spaanjaars       Rating:  
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A while ago I saw this post (1) on the P2P Wrox forum (near the middle of the thread) where the poster asked for a way to replace the standard TextBox in the asp:Login control with a list of user names from the system. He didn't mind the lowered security implications of this solution and instead wanted to make it a little easier for users to login. With his proposed solution, a user can pick a name from the list, enter a password and log in. I guess fewer things to remember means fewer calls to ...

Event Logging in a .NET Web Service        
Total Hits: 99  |  Today: 0 Author: Sandesh Meda       Rating:  
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This article describes the logging mechanism in a .NET web service. It demonstrates how to write to the Event log from a .NET Web Service and explains how to resolve security issues related to event logging....

A Customizable Login Server Control        
Total Hits: 86  |  Today: 0 Author: Bilal Haidar       Rating:  
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A common requirement of web applications is the need to obtain the user's username and password. In this article, Bilal Haidar builds a customizable Login server control that can be added easily to any ASP.NET Web Form....

Easy way to create secure ASP.NET login using Session        
Total Hits: 180  |  Today: 0 Author: Abdallah Fayez.       Rating:  
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As an ASP.NET developer, I needed to create a secure login WebForm, but I also needed it to be easy to implement, not so complicated, and also accomplish the mission....

Login Page remember me functionality using javascript        
Total Hits: 86  |  Today: 0 Author: playing with bugs ).       Rating:  
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On many website such as CP,Gmail,yahoo etc we see Remember me Next time check box.
After clicking that checkbox,next time when we access this page only thing that we have to
give is Username password will automatically added to the password textbox. It is not
related with directly logged into the website. You have to provide user name then password
will come from cookie that we have written when we first time logged in....

Web Log Analysis Tool Using ASP.Net and C#        
Total Hits: 54  |  Today: 1 Author: Softomatix.       Rating:  
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This article is aimed towards demonstrating various features of the .NET framework to build a very simple tool to analyze various activities on a web site. This tool will ultimately provide complete web log analysis. But for starters we have focused mainly on reporting the various kinds of browsers that are being used by clients to visit a web site....


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