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Easy Learn Java: Programming Articles, Examples and Tips - Page 85


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What are most used authentication methods for web applications?

Go to all tips in Security

Question: What are most used authentication methods for web applications?

Answer: A few most common methods are used for authentication today:
basic, form based, digest and certificate methods.

With basic authentication name and password are taken from login dialog.
The weak side of this method is that the username and password are transmitted to the server using base64 encoding (that is, almost in plain text).

The form-based authentication method is the same as a basic, but the server uses a custom login page, instead of displaying the standard login page. Username and password are sent in the same way as in method above.

In contrast, the digest authentication method doesn't pass the password over the network at all. A series of numbers is generated (based on the password and other information about the request), and these numbers are then hashed using MD5 (Message Digest Algorithm). The hash value (digest) is sent over the network along with other information that the server can use to verify the password. This method is obviously more secure over the network.

Client certificate authentication uses SSL (secure socket layer) and client certification. Developed by Netscape and become most popular authentication method that used on Internet.

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Posted by jalex on Wednesday, September 24, 2003 (00:00:00) (5017 reads)

World’s first SCBCD certification exam simulator launched by Whizlabs

Go to all tips in General Java
New Delhi, India (Sep 10, 2003): Whizlabs ( http://www.whizlabs.com ), one of the world’s leading developers of certification simulation products announced the release of the world’s first Sun Certified Business Component Developer (SCBCD) exam simulator.

Authored by highly experienced and certified professionals, it offers 5 mock exams (350 thought-provoking questions) on the latest pattern in a simulated environment. Its high level of customization features allows you to prepare according to your strengths and more important weaknesses. Not to forget, it also offers the “Use it Anywhere, Anytime!�? advantage, by offering a Free “web-based online exam simulator version�?; with its unique “percentile-grading�? feature.

Coupled with value added offerings like Quick Revision Notes, Interactive Quizzes (with over 150 questions) and Tips N Tricks, it provides an effective learning platform. Last but not the least; it comes with Free Technical Mentoring and “Unconditional Test PASS Guarantee�?. Check out the FREE demo version.

The product is available at a special introductory price, and available for immediate delivery at http://www.whizlabs.com/scbcd/scbcd.html

Also check out “An SCBCD certification primer: a comprehensive article on SCBCD�? at http://www.whizlabs.com/articles/scbcd-article.html

Whizlabs will also be launching the “Instructor-led, Online training�? for the SCBCD exam in November this year.


Whizlabs is a leading provider of IT skill assessment and certification exam preparation solutions. In the last 2 years, Whizlabs has helped over 200,000 software professionals follow their dreams of gaining a certification.

Whizlabs' suite of offerings include IT certification exam simulators and online training for various exams by leading IT vendors. Whizlabs also has the most comprehensive suite of exam simulators for various Sun Java certification exams: SCJP (1.4, 1.2 and Upgrade), SCWCD, SCBCD and SCEA. Whizlabs also offers live, instructor-led, online training for SCJP and SCWCD exams.


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Posted by Anonymous on Monday, September 22, 2003 (14:16:28) (3965 reads)

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