McAfee AVDCDE-AA-AA User Guide - Page 230
Understanding the AutoUpdate utility
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Updating and Upgrading VirusScan Software • Emergency .DAT files. VirusScan software includes an Emergency Disk utility you can use to create a bootable floppy disk to start your computer in a virus-free environment. The Emergency Disk you create uses specialized .DAT files that target boot-sector and memory-resident viruses, which pose the greatest infection risk to software if they activate before your anti-virus software can. McAfee provides updates for these files that you can download directly from the AVERT website at: http://www.nai.com/asp_set/anti_virus/updates/virus_4e.asp McAfee recommends that you download these files directly to a virus-free computer, then extract them to an Emergency Disk you've created. To learn more about creating an Emergency Disk, see "Using the Emergency Disk Creation utility" on page 49. To learn how to use the Emergency Disk to scan your system, see "If you suspect you have a virus..." on page 59. Understanding the AutoUpdate utility The AutoUpdate utility is the principle method McAfee recommends that you use to update your .DAT files. The utility runs exclusively as a task from within the VirusScan Console. To use it to update your VirusScan software, you must: • Set a schedule for the AutoUpdate task, and enable it to run • Set a password to protect your configuration settings, if you wish • Configure the task to download new files from a specific location on your network, or on the Internet By default, the AutoUpdate task included with VirusScan Console comes configured to download the most recent .DAT file updates directly from the Network Associates FTP site. This configuration can make administration simple and straightforward for small networks or individual VirusScan installations. If you have a large network, however, retaining this configuration can severely tax your external bandwidth if, as will happen if you leave the default configuration enabled, each network node tries to update its .DAT files at once. Instead, McAfee recommends that you use AutoUpdate in conjunction with its companion service, the Enterprise SecureCast channel, in an efficient "push-pull" arrangement. Once you install its client software on an administrative server, the SecureCast service can send, or "push," updated files to you automatically, as soon as McAfee makes them available on its servers. To learn more about the SecureCast service, see Appendix C, "Using the SecureCast Service to Get New Data Files" or visit the Network Associates website at: http://www.nai.com/asp_set/anti_virus/alerts/enterprise.asp 230 McAfee VirusScan Anti-Virus Software