Security point of view of Asp.Net application

In this paper are presented the methods for security maintaining a web application. Beside fundamental aspects of security of ASP.NET application, also are presented the actions which are necessary to achieve required security, as well as security approach of the code in NET framework. It is shown the user authentication, windows verifying authenticity, and protection by using configuration file. The analysis of the definition of the rules of identification or authorization is maintained by means of tools of WAT, and then it is shown the manner in which displays a login page.