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EJB elements operate inside a container environment and rely heavily on the container to give security. The four key services needed for the security are:
1. Identification: In Java security APIs this identifier is define as a principal.
2. Authentication: To show the identity one must present the credentials in the form of password, digital certificate, swipe card, finger prints etc.
3. Authorization (Access Control): Every secured system should limit access to particular users. The common route to enforce access control is by maintaining security privileges and roles.
4. Data Confidentiality: This is performed by encryption of some sort. It is no good to shield your data by authentication if someone may read the password.
The EJB specification services itself exclusively with authorization (access control). An application using EJB may specify in an abstract (declarative) and portable way that is allowed to access business functions. The EJB container accepts the following actions:
For what purposes FTP is used in networks? FTP is known as file transfer protocol it is basically used to download or upload files / data to a remote computer.
#question.Hi, i hope my message find you very well. could you help me please with this question . provide an example code for an anonymous inner class. Highlight what makes your e
Kik Messenger is a plan mobile messenger like Skype. It's available on each major smart phone for Android and Iphone. Here is the entire process: Could be able to add multipl
In a RMI Client Program, what are the excpetions which may have to handled Ans) a. MalFormedURLException b. NotBoundException c. RemoteException
What is java Bytecode Java programs (Source code) are compiled into a form known as Java bytecodes. Java compiler reads Java language source (.java) files, translates source
How can i draw E-R diagram
Consider the following code? What input is needed for x in order for the sum variable that is output at the end of the code to be 12 ? (In other words: what do I need to make X be
For an assignment I need to write an array program to go along with an instance variable. I keep getting the no main class error when I run my program.
Both functions send you to a new resource like JSP, Servlet etc. Normal 0 false false false EN-US X-NONE X-NONE
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