Installation ManualH3C SecPath F1000-E Firewall Chapter 6 Maintaining Software6-1Chapter 6 Maintaining Software6.1 Overview6.1.1 Files Managed by the FirewallThree types of files need to be managed on the F1000-E. They are:z BootWare program filez Application filez Configuration file6.1.2 BootWare Program FileThe BootWare program file is used for booting applications when a firewall starts and issaved on the Flash. Because Flash has no file system, the BootWare program file canbe saved on the Flash with or without an extension name.A full BootWare program file includes two segments: basic and extended.z Basic segment of BootWare is used to finish basic system initialization. Whenbasic initialization of the system is finished, the network interfaces and the CF cardare unavailable.z Extended segment of BootWare provides abundant human-computer interaction(HCI) functions and available network interfaces and CF card, and can be used toupgrade the applications and boot the system.z After the basic segment is booted, you can load and upgrade the extendedsegment on the menu of the basic segment.6.1.3 Application FileTHE F1000-E supports the Dual Image function. By default, the system defines threeapplication files for booting.z Main application filez Backup application filez Secure application fileThe three kinds of application files are stored on the CF card.If you have loaded the three application files into the CF card, the system will boot usingthese three files in order. For more information about application files, refer to section6.6 "Maintaining Application and Configuration Files” on page 6-30.The following gives the default names and types of the application files and theirpriorities for booting.