Cisco 7960G Administration Guide - Page 22
Understanding Security Profiles - reset procedure
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Understanding Security Features for Cisco Unified IP Phones Chapter 1 An Overview of the Cisco Unified IP Phone Table 1-3 Overview of Security Features (continued) Feature Media encryption Signaling Encryption CAPF (Certificate Authority Proxy Function) Security profiles Optional disabling of the web server functionality for a phone Phone hardening Description Uses SRTP to ensure that the media streams between supported devices proves secure and that only the intended device receives and reads the data. Includes creating a media master key pair for the devices, delivering the keys to the devices, and securing the delivery of the keys while the keys are in transport. Ensures that all SCCP signaling messages that are sent between the device and the Cisco Unified Communications Manager server are encrypted. Implements parts of the certificate generation procedure that are too processing-intensive for the phone, and it interacts with the phone for key generation and certificate installation. The CAPF can be configured to request certificates from customer-specified certificate authorities on behalf of the phone, or it can be configured to generate certificates locally. Defines whether the phone is nonsecure, authenticated, or encrypted. You can prevent access to a phone's web page, which displays a variety of operational statistics for the phone. Additional security options, which you control from Cisco Unified Communications Manager Administration: • Disabling PC port • Disabling Gratuitous ARP (GARP) • Disabling PC Voice VLAN access • Disabling access to the Setting menus, or providing restricted access that allows access to the User Preferences menu and saving volume changes only • Disabling access to web pages for a phone. Note You can view current settings for the PC Port Disabled, GARP Enabled, and Voice VLAN enabled options by looking at the phone's Network Configuration menu. For more information, see the "Displaying the Network Configuration Menu" section on page 4-1. Related Topics • Understanding Security Profiles, page 1-10 • Identifying Encrypted and Authenticated Phone Calls, page 1-11 • Security Restrictions, page 1-11 • CAPF Interaction when the Phone Resets, page 1-12 Understanding Security Profiles All Cisco Unified IP Phones that support Cisco Unified Communications Manager 7.0 use a security profile, which defines whether the phone is nonsecure, authenticated, or encrypted. For information about configuring the security profile and applying the profile to the phone, refer to Cisco Unified Communications Manager Security Guide, Release 7.0. To view the security mode that is set for the phone, look at the Security Mode setting in the Security Configuration menu. For more information, see the "Network Configuration Menu" section on page 4-4. 1-10 Cisco Unified IP Phone 7960G/7940G Administration Guide for Cisco Unified Communications Manager 7.0 (SCCP) OL-15498-01