Manual de instrucciones de Cisco Systems OL-5109-01

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CHAPTER 4
Phone Hardening
To tighten security on the phone, you can perform tasks in the Phone
Configuration window of Cisco CallManager Administration.
This chapter contains information on the following topics:
• Disabling the Gratuitous ARP Setting, page 4-1
� Disabling Web Access Setting, page 4-2
� Disabling the PC Voice VLAN Access Setting, page 4-2
� Disabling the Setting Access Setting, page 4-3
� Disabling the PC Port Setting, page 4-3
� Performing Phone Hardening Tasks, page 4-4
Disa

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Chapter 4 Phone Hardening Disabling Web Access Setting Related Topics � Interactions and Restrictions, page 1-4 � Performing Phone Hardening Tasks, page 4-4 � Cisco IP Phone Administration Guide for Cisco CallManager Disabling Web Access Setting Disabling the web server functionality for the phone blocks access to the phone internal web pages, which provide statistics and configuration information. Features, such as Cisco Quality Report Tool, do not function properly without access to

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Chapter 4 Phone Hardening Disabling the Setting Access Setting Related Topics � Interactions and Restrictions, page 1-4 � Performing Phone Hardening Tasks, page 4-4 � Cisco IP Phone Administration Guide for Cisco CallManager Disabling the Setting Access Setting By default, pressing the Settings button on a Cisco IP Phone provides access to a variety of information, including phone configuration information. Disabling the Setting Access setting in the Phone Configuration window of Cisco

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Chapter 4 Phone Hardening Performing Phone Hardening Tasks Related Topics � Interactions and Restrictions, page 1-4 � Performing Phone Hardening Tasks, page 4-4 � Cisco IP Phone Administration Guide for Cisco CallManager Performing Phone Hardening Tasks Caution The following procedure disables functionality for the phone. Perform the following procedure: Procedure Step 1 In Cisco CallManager Administration, choose Device > Phone. Step 2 Specify the criteria to find the phone and click Fin

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Chapter 4 Phone Hardening Performing Phone Hardening Tasks Step 5 From the drop-down list box for each parameter that you want to disable, choose Disabled. Step 6 Click Update. Related Topics � Interactions and Restrictions, page 1-4 � Disabling the Gratuitous ARP Setting, page 4-1 � Disabling Web Access Setting, page 4-2 � Disabling the PC Voice VLAN Access Setting, page 4-2 � Disabling the Setting Access Setting, page 4-3 � Disabling the PC Port Setting, page 4-3 Cisco IP Phone Authent

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Chapter 4 Phone Hardening Performing Phone Hardening Tasks Cisco IP Phone Authentication and Encryption for Cisco CallManager 4.0(1) OL-5109-01 4-6