Server Module
The server module's primary goal is to provide application services to end users and devices. Traffic flows on the server module are inspected by on-board intrusion detection within the Layer 3 switches.
Key Devices
Layer 3 switch— provides layer three services to the servers and inspects data crossing the server module with NIDS
Call Manager— performs call routing functions for IP telephony devices in the enterprise
Corporate and department servers— delivers file, print, and DNS services to workstations in the building module
E-Mail server— provide SMTP and POP3 services to internal users
Figure B-12. Server Module: Detail
Threats ...
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