Two Options for Deploying and managing Firefox using Active Directory

Easily deploy Firefox on the enterprise and manage it easily for free.  FrontMotion Firefox Community Edition is a customized Firefox with the ability to lockdown settings through Active Directory using Administrative Templates.  Similar to lockdown settings with mozilla.cfg on one computer, you can now use Administrative Templates to enforce settings across your organization. Two templates are provided to allow common and advanced settings.

http://www.frontmotion.com/Firefox/fmfirefox.htm

FirefoxADM is a way of allowing centrally managed locked and/or default settings in Firefox via Group Policy and Administrative Templates in Active Directory:

http://sourceforge.net/projects/firefoxadm