What do you mean by authentication and authorization?

Authentication is the process of validating a user on the credentials (username and password) and authorization performs after authentication. After Authentication a user will be verified for performing the various tasks, It access is limited it is known as authorization.
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Srinivas

  • Oct 31st, 2005
 

I Just want to add two lines:

Authentication Means Just giving visa to your site, autherization means giving rights to do some operations on your site

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Mahesh

  • Dec 7th, 2005
 

Simple answer to this is as follows Authentication is process of finding whether the user is valid.Example username and password u enter in mail page.That process is authentication Authorization is the process of holding rights for particular task.Example: Usually admin have right to install software in companies and others are not granted this right.

Nitin

  • Mar 3rd, 2006
 

Authorization is validating credentials

Authentication is validating user rights

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ymAmit007

  • Dec 1st, 2009
 

Authenticate - Making sure that only valid user can access the website or application by entering the user id & Password.
Authorization - Making sure that user is having some permission on the website

Ex : view access, admin access or report access etc.....basically restricting the features of web site or application at group level and user need to be part some group

I hope this make sense

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