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Validating email asp net

When a visitor reaches the login page and submits their credentials, their browser makes an HTTP request to the login page.If the credentials are valid, the HTTP response includes the authentication ticket in a cookie.

If they are valid, then the user is granted a forms authentication ticket, which is a security token that indicates the identity and authenticity of the visitor.Recently i have posted how to validate email address in javascript, how to validate mobile number and email address in jquery and not i will show you how to validate mobile number using simple javascript or using regular expression in javascript.below is the code for validating mobile number with enter only numeric, length must be 10 digits and restrict user to entering illegal characters.To prevent this, it is essential to encrypt the network traffic by using Secure Socket Layers (SSL).This will ensure that the credentials (as well as the entire page's HTML markup) are encrypted from the moment they leave the browser until they are received by the web server.Therefore, a hacker attempting to break into your site could create a program that exhaustively sends HTTP requests to the login page with a valid username and a guess at the password.If the password guess is correct, the login page will return the authentication ticket cookie, at which point the program knows it has stumbled upon a valid username/password pair.Through brute force, such a program might be able to stumble upon a user's password, especially if the password is weak.To prevent such brute force attacks, the Membership framework locks out a user if there are a certain number of unsuccessful login attempts within a certain period of time.The exact parameters are configurable through the following two Membership provider configuration settings: , even if valid credentials are supplied.While this behavior lessens the likelihood that a hacker will break into your site through brute force methods, it can end up locking out a valid user who has simply forgotten her password or accidentally has the Caps Lock on or is having a bad typing day.


  1. How to Verify that Strings Are in Valid Email. To verify that the email address. expression to validate an email address, you can use the Mail.

  2. Email address validation using MVC data type attributes. Validating email addresses with regex is usually. How to get ELMAH to work with MVC.

  3. Hi All, I have a requirement where I want to validate an E-Mail Address in a Text Box as soon as the Address is typed in it. Not on Submit button click Please suggest me as to how to appraoch this.

  4. How to Validate the Email id Using Rate this. email Validation. problem in validating email id in MFC.

  5. Summary Provides a brief overview of the validation framework in and walks through an example of adding validation to a page. 11 printed pages Validating user input is a common scenario in a Web-based application. For production applications, developers often end up spending a lot more.

  6. This article discusses how to validate information you get from users — that is, to make sure that users enter valid information in HTML forms in an Web Pages Razor site. What you'll learn How to check that a user's input matches validation criteria that you define. How to determine.

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