Programming Tutorials Browser Tutorials Articles Struts Tutorials Hibernate Tutorials

  Tutorial: Out of the Sandbox

Breaking out of the Applet Sandbox Most users would download and install software from unkown sources without even a blink of an eye. Sometimes these downloads contain trojans, worms, viruses and many other kinds of unfriendly creatures. Yet the same u

Tutorial Details:

Before we go any further let\'s see what really happens when an applet tries to do something trivial like displaying an image stored on a remote webserver. While there\'s nothing wrong with the code itself, as you will see when you click on the demo link, the applet fails rather miserably. If you open the plug-in console window you will see a heap of error messages.

This article will attempt to provide two different solutions to overcome sandbox restrictions. The first approach which involves the use of signed applets can be used in almost any situation. The second approach is transparent to the user but cannot be used in certain situations.


 

Read Tutorial at: Click here to view the tutorial

Rate Tutorial:
Out of the Sandbox

View Tutorial:
Out of the Sandbox

Related Tutorials:

JavaWorld - Get started with server-side Java - March 1997
JavaWorld - Get started with server-side Java - March 1997
 
To jar or not to jar? - JavaWorld - July 1998
To jar or not to jar? - JavaWorld - July 1998
 
Building a bigger sandbox - JavaWorld - August 1998
Building a bigger sandbox - JavaWorld - August 1998
 
Signed and delivered: An introduction to security and authentication - JavaWorld - December 1998
Signed and delivered: An introduction to security and authentication - JavaWorld - December 1998
 
Alternative deployment methods, Part 2: The best of both worlds - JavaWorld July 2000
Alternative deployment methods, Part 2: The best of both worlds - JavaWorld July 2000
 
Java security evolution and concepts, Part 3: Applet security - JavaWorld December 2000
Java security evolution and concepts, Part 3: Applet security - JavaWorld December 2000
 
Java Web Start to the rescue - JavaWorld July 2001
Java Web Start to the rescue - JavaWorld July 2001
 
Java security evolution and concepts, Part 2
Java security evolution and concepts, Part 2
 
All that JAAS
All that JAAS
 
Update distributed applications
Update distributed applications
 
Eclipse 3.0 is out
Eclipse 3.0 is out Welcome to eclipse.org Eclipse is a kind of universal tool platform - an open extensible IDE for anything and nothing in particular.
 
Java POS Software
Java POS Software Large retailers are increasingly turning to Java software to manage their retail enterprise.
 
Inside Class Loaders: Debugging
Inside Class Loaders: Debugging This article will show how to solve class-loading problems and to overcome some debugging limitations of the JDK class loaders.
 
PDFTextStream v1.1.2 Released; Fast Java PDF Text Extraction
PDFTextStream is the ideal solution for Java applications and J2EE web services that need to rapidly and accurately extract text and document metadata from PDF files.
 
Networking our whiteboard with servlets.
Find out how to easily replace the RMI and sockets networking layers with servlets.
 
Introduction to Servlets, JSP, and Servlet Engines
Servlets are the Java Technologies' answer to CGI programming. They are programs which run on the server side and generate dynamic content. Why would one prefer to use Servlets over traditional CGI programming?
 
Understanding MIDP System Threads
Describes the multi-threaded aspects of the J2ME application environment. Understanding the interactions between systems threads, user-interface and application threads will help in avoiding MIDlet deadlock.
 
Using Lucene With OJB
Brian McCallister looks at the Lucene search engine and shows us how to index and retrieve objects from a sample Student application.
 
Updates to the Survey of J2ME Today
Give a consolidated big picture survey of J2ME terminology and technical origins.
 
NetBeans IDE 4.1
Out-of-the-box support for J2EE 1.4 and Web Services. Check out what early access release 2 can do for you!
 
Site navigation
 

 

Send your comments, Suggestions or Queries regarding this site at roseindia_net@yahoo.com.

Copyright © 2006. All rights reserved.