Antivirus Protection

In addition to hardening the Cisco IP Telephony Operating System by using built-in tools, you should protect the system by using antivirus software. This practice will defend against attacks by viruses, Trojan horses, and worms. Make sure that the software itself and the virus definition files are kept up to date so that the newest viruses can be detected. Disable heuristic scanning in any antivirus software because it can block Cisco CallManager web pages from operating. Cisco currently supports these antivirus products on the Cisco IP Telephony Operating System:

• McAfee VirusScan Enterprise 4.5, 7.0, and 7.1
• Symantec AntiVirus Corporate Edition 7.61, 8.0, and 8.1
• Trend Micro ServerProtect v5

The list of the latest supported antivirus software is available at http://www.cisco.com/en/US/products/sw/voicesw/ps556/prod_bulletin0900aecd800f8572.html.

Note

Heuristic scanning refers to the ability of the software to flag suspicious files or attachments because they resemble known viruses. Heuristic scanning uses behavior-based rules to identify and block new viruses without requiring you to first download a patch.