passwordless authentication

OverviewBecause the project involved user authentication and authorization , so a good summary of this piece.Certifications and authorizationsIn general, we say that the authentication mainly refers to the user login authentication ; Generally we say that the authorization is mainly third party authorization .There are 2 main methods for user login

Reprint: http://os.51cto.com/art/201005/202380.htmIIS services, one of Microsoft's most classic Web services, have roughly five ways to authenticate to the Web. Identity authentication is essential to ensure the security of IIS services, so it is important to master the IIS service authentication method skillfully and flexibly."51CTO exclusive feature" Microsoft IIS Services is a classic Web service that pr

js| Graphics The implementation of authentication code technology requires the following aspects of preparation: 1. Generate Authentication Code: We can allow the system to randomly generate a number as the authentication code, which can be achieved in both JavaScript scripting language and the Java language. The former can use Math.random () to get a decimal be

In many cases, the target Action method must be executed in a security context. The so-called security context mainly refers to that the current requester is an authorized user. The essence of authorization is to allow the user to do what he can do within the scope of his permission. The premise of authorization is that the requester is an authenticated user. Chanllenge-Response is a common form used for user authentication. The authenticated Party se

Squid configuration details + Authentication-Linux general technology-Linux technology and application information. The following is a detailed description. [I = s] This post was last edited by gary168 Note: You can configure NCSA authentication for both the RPM package and the source code installation of squid. Here, we need to configure a Proxy Server that only provides Proxy services for internal netwo

Http authentication .... BASIC:In the context of an HTTP transaction, Basic access authentication are a method for a Web browser or other client Program to provide a user name and password when making a request. [1]Before transmission, the user name is appended with a colon and concatenated with the password. The resulting string is encoded with the BASE64 algorithm. For example, given the user name 'Aladdi

Readers who frequently access the Internet may encounter this situation: when accessing some resources of some websites, a dialog box pops up in the browser asking users and passwords to access resources. This is a technology used for user authentication. User authentication is the first line of defense to protect network system resources. it controls all logins and checks the legality of users. Its goal is

How to Use OpenVPN and PrivacyIDEA to establish two-factor authentication Remote Access For the company, IT has become a trend to allow employees to access the company's IT resources at home or on a business trip through the VPN remote access system. However, weak employee password management awareness and attacks by attackers using social engineering libraries often provide convenient channels for attackers. The two-factor

Asp. NET Identity Authentication Basics Before starting today's content, I think there are two most fundamental questions to be clear first: 1. How can I tell if the current request was initiated by a logged-on user? 2. How do I get the login name of the currently logged-on user? In the standard ASP.net authentication method, the answers to the top two questions are: 1. If request.isauthenticated is tr

Token-based knowledge and understanding:Learn about Token-based authentication recently and share it with everyone. Many large web sites are also used, such as Facebook,twitter,google+,github, and so on, compared to traditional authentication methods, Token is more extensible and more secure, it is very suitable for use in WEB applications or mobile applications. Token of the Chinese people translated into

Author: limodounbsp; I have previously written an article about how to use socket programming to send emails to solve the problem that web servers do not support the mail () function. It can also be used after my tests. However, at present, many free email providers (starting from 263, 163, and xinlang net) all add smtp functions. Author: limodou I have previously written an article about how to use socket programming to send emails, so that the web server does not support Question about usi

I believe everyone remembers a classic cartoon. A dog typed in front of a computer and said to another dog, "no one knows whether you are a dog or not on the Internet!" This cartoon shows that it is difficult to identify on the Internet. Identity Authentication refers to the process in which the computer and network system confirm the identity of the operator. Computer systems and networks are a virtual digital world. In this digital world, all inform

Form-based authentication // Login page Protected void button#click (Object sender, eventargs E){String username = "tsuser ";String userpwd = "resust ";String roles = "Adminstrator ";// Generate the verification ticket object.Formsauthenticationticket authticket = new formsauthenticationticket (1,Username,Datetime. Now, datetime. Now. addminutes (1 ),False,Roles ); // Encrypted verification ticketString encrytedticket = formsauthentication. Encry

Basic authentication is convenient and flexible, but extremely unsafe. The user name and password are transmitted in clear text, and no action is taken to prevent tampering with the message. The only way to safely use Basic authentication is to use it in conjunction with SSL.Abstract authentication is another HTTP authenticat