Chapter 29: Security
STANDARD Revision 1.0 C4® CMTS Release 8.3 User Guide
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Maintain a central database of user IDs, user groups, passwords, and authentication policies
Customize access policies for theC4/c CMTS command set
Maintain standardized, centralized security accounting records.
The AAA Model
The AAA security model is an architectural framework for the implementation and management of common security
functions within a network of heterogeneous elements. The model distinguishes authentication (verification of a user’s
identity) from authorization (verification that a user’s actions are permissible) and offers accounting services with respect
to both. Moreover, the model separates security policy from policy enforcement, thereby enabling a distributed security
scheme with centralized policy management for each independent function.
The figure below provides a network-level illustration.
Figure 102: AAA Security Model
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