Firefox is the most secured web browser in the world
Firefox Security: A Sandbox security model, a security mechanism for safely running programs in computer security is used by Firefox. Firefox also restricts scripts from receiving data other web sites based on the similar origin policy. Firefox utilizes TLS/SSL in order to protect communications with web servers who use strong cryptography while using the https protocol. It also provides you with support for web applications to use smart cards for authentication purposes.
Researchers, who explore severe security holes in Firefox are offered a bug bounty by the Mozilla Foundation. Improves security is one of the most significant features of Mozilla Firefox. Enhanced security is always cited as a reason behind switching from Internet Explorer to Firefox, as Firefox has fewer publicly known security vulnerabilities than Internet Explorer. It is learned that till June 7, 2008, Firefox 2 has three security vulnerabilities which has not been patched. It was rated as less critical by Secunia.
Version 3.0:
Version 3.0 is the most recent version of Mozilla Firefox. The first beta was released on November 19, 2007 by the Mozilla Foundation. Beta is a nickname for software that has passed the alpha testing stage of development. Generally, this software is released to a limited number of users for software testing before its authentic release. The final beta was released on 17 June 2008. The final release of Firefox 3.0 featured in popular culture among others.
Usage of Version 3.0: According to the Net Applications reports, the use of Firefox beta quickly increased to a usage share of 0.62% in May 2008. Net Applications believe that Firefox 3 betas were stable and users used it as their basic browser. It is also learned that the usage increased from under 1% to over 3%, within 24 hours after the release of version 3.0 of Firefox.
Improvements in Firefox 3.0
Backend changes: Implementation of Gecko 1.9 is considered one of the big changes in Firefox 3. The Gecko 1.9 is an updated layout engine. The new version of Firefox enhances standard compliance, fixes numerous bugs, as well as implements new web applications. This change makes Firefox 3 the first authentic release of Mozilla browser to pass the Acid 2 test. The Acid 2 test is a standards compliance test, which is done for web page rendering
Several new features are defined in the WHATWG HTML 5 specification like the native implementation of method, support for offline web applications, web based protocol handlers and support for safe message passing with post message. Apart from that, EXSLT and APNG support are other new features of this version. Jemalloc, a new internal memory allocator is also used in this version.
Gecko 1.9 utilizes Cairo as a photography blackened. It is used for enhanced graphics performance and greater consistency of look and feel on different operating systems. However, Firefox does not run on following systems including Windows 95, 98, Windows NT and Me due to the fact that Cairo has a lack of support for Windows and Microsoft also has ended its support for Windows 98 and Windows in July 2006. In the same way, the Mac version of Mozilla Firefox will work only on Mac OS X 10.4.
Fronted changes: In the fronted changes, the Firefox features a redeveloped download manager with built-in search. It also has an ability to resume downloads. An advanced plug in manager is also added in the add-ons window. The extensions to it may be installed with the help of a package manager.
Firefox 3 utilizes a Places system for storing history and bookmarks in an SQLite backend. This new system can store more information regarding user's bookmarks and history. It also permits the user tag the pages. It is also used to implement an enhanced algorithm for the new location bar auto complete feature.
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