Chapter 3Posture Agents
This chapter covers the following topics:
- Posture agent overview
- Cisco Trust Agent architecture
- Posture plug-in functionality
- Vendor application example: Cisco Security Agent
For Network Admission Control (NAC)–enabled hosts to be able to communicate their posture credentials to the posture server, a posture agent must exist on the host.
Cisco Trust Agent is the posture agent. It communicates with various NAC-enabled host applications by way of their posture plug-ins. NAC third-party vendors must build their own posture plug-ins to communicate their credentials to the policy decision points. Each vendor is identified by a unique vendor ID that identifies the vendor's application type (for example, antivirus) and attributes ...
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