Extreme Networks AG200 User Manual page 338

Version 5.0
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Table 14: Browser Vulnerabilities
Item
Cache
Scripts
JavaScript
Active scripting / ActiveX
Java
338
Description
Cache is a user-specifiable amount of disk space where
temporary files are stored. These files contain graphics and
Web pages you visit. The primary purposes for storing Web
page information is to save time reloading pages and graphics,
and to reduce network traffic by not having to repeatedly send
the information over the network. Risk occurs if there is
sensitive information from encrypted pages stored in the
cache, which could be misused if an attacker gains access to
the cache files.
Scripts and scripting languages are executable code that
provides a more interactive Web experience. Some scripts are
downloaded to your computer (ActiveX, Java), others are run
via the browser (JavaScript).
JavaScript is a scripting language used to enhance Web
pages. JavaScript programs are embedded in Web pages and
enable active functionality; for example, JavaScript allows you
to create images that change when you move the mouse over
them and clocks with moving parts.
The following links provide more detailed information about
JavaScript:
http://www.javascript.com/
http://javascript.internet.com/
http://www.javascriptkit.com/
Active scripting / ActiveX extends other programming
languages (such as Java) by providing re-usable "controls" that
enable developers to make Web pages "active". ActiveX is
Microsoft's brand for active scripting.
The following links provide more detailed information about
ActiveX:
http://www.active-x.com/articles/whatis.htm
http://www.active-x.com/
http://www.newportinc.com/software/activex/
whatisAX.htm
Java is a programming language and a collection of platforms
that are targeted toward a specific hardware platform. Java
programs are not limited by the operating system (OS) as they
are interpreted (run) by another program called the Java
Virtual Machine (JVM). This enables Java programs to be
portable—that is, they can be run on a server, desktop,
personal digital assistant (PDA), or in the browser.
The following links provide more information about Java:
http://java.sun.com/learning/new2java/index.html
http://www.javaworld.com/channel_content/jw-topical-
index.shtml
http://java.sun.com/
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