Authentication IITK

I am student of B.Tech 3rd Year Course at IITK (Indian Institute of Technology Kanpur) and trying to access my Authentication Window but it do not work so please tell me that what is the problem? I urgently want to login so please tell me that how to solve this problem?

I want to know the Authentication Server at Indian Institute of Technology IIT Kanpur so can you tell me?

[pawan]

Authentication Server are used for authentication purposes by various applications like verification of account credentials ie. account names and passwords, of their legitimate users.

This authentication facility is provided a network service. For a legitimate client, a cryptographic ticket is created that can subsequently used to access various services.

Authentication is very critical for any application or service, as it becomes the basis for the following facilities:

Authorization - which is the determination whether a privilege may be granted to a particular user or process; or not.

Privacy - which keeps information confidential to only to the legitimate users

and Non-repudiation - which is the inability for denial of any task done, which was authorized to be done based on the authentication.

In Computer Center, IITK - following Authentication Server is used

Contact-

Computer Center
Indian Institute of Technology
KANPUR - 208 016

Ph : +91-512-2597651
Fax : +91-512-2590413
E-mail : headcc@iitk.ac.in