All critical hot fixes and patches to the Cisco IP Telephony Operating System are posted on Cisco.com for download within 24 hours of the announcement from Microsoft. All noncritical hot fixes and patches are bundled for a consolidated, monthly release from Cisco.com.
Heuristic scanning should not be allowed because this feature can prevent CallManager Administration web pages from operating correctly.
A headless (standalone) version of the Cisco Security Agent (CSA) is provided by Cisco, free of charge, to protect Cisco CallManager against malicious applications.
Password expiration policies should be disabled on all service accounts. If the service account password were to expire, it could prevent a variety of CallManager services from operating correctly.
The IIS service comprises 80 percent of all attacks on Windows servers. Because of this, it is a best practice to stop the IIS service on all Cisco CallManager Subscribers.
The Cisco CallManager server is not designed to handle nonapproved third-party utilities.
The most automated process for installing security updates and hot fixes to the CallManager server is e-mail subscription to the Cisco CallManager Notification Tool. The updates must then be manually downloaded and installed.
A and C
The first of these scripts focuses on securing the foundation Windows 2000 operating system with security settings recommended for Cisco CallManager servers only. The second of these scripts focuses on securing the SQL communication on the server.
There is not even a product called WebX SecureServer.
A and B
Only virus protection software can prevent a server against virus infection. In addition, only the managed CSA version provides firewall functionality. The standalone CSA version allows all inbound network connections.
Part I: Cisco CallManager Fundamentals
Introduction to Cisco Unified Communications and Cisco Unified CallManager
Cisco Unified CallManager Clustering and Deployment Options
Cisco Unified CallManager Installation and Upgrades
Part II: IPT Devices and Users
Cisco IP Phones and Other User Devices
Configuring Cisco Unified CallManager to Support IP Phones
Cisco IP Telephony Users
Cisco Bulk Administration Tool
Part III: IPT Network Integration and Route Plan
Cisco Catalyst Switches
Configuring Cisco Gateways and Trunks
Cisco Unified CallManager Route Plan Basics
Cisco Unified CallManager Advanced Route Plans
Configuring Hunt Groups and Call Coverage
Implementing Telephony Call Restrictions and Control
Implementing Multiple-Site Deployments
Part IV: VoIP Features
Configuring User Features, Part 1
Configuring User Features, Part 2
Configuring Cisco Unified CallManager Attendant Console
Configuring Cisco IP Manager Assistant
Part V: IPT Security
Securing the Windows Operating System
Securing Cisco Unified CallManager Administration
Preventing Toll Fraud
Hardening the IP Phone
Understanding Cryptographic Fundamentals
Understanding the Public Key Infrastructure
Understanding Cisco IP Telephony Authentication and Encryption Fundamentals
Configuring Cisco IP Telephony Authentication and Encryption
Part VI: IP Video
Introducing IP Video Telephony
Configuring Cisco VT Advantage
Part VII: IPT Management
Introducing Database Tools and Cisco Unified CallManager Serviceability
Configuring Alarms and Traces
Using Additional Management and Monitoring Tools
Part VIII: Appendix
Appendix A. Answers to Review Questions