The Main or Primary Function of the Cisco
Security or Any Security Appliance is to stop and protect internal host form
the malicious attacks from outside network. Therefore, The security
administrator manipulate and control the flow of traffic in pieces and with
more flexibility. Rate limiting the traffic, deep inspection of the traffic
flow, blocking the unauthorized traffic flow, are some of the important responsibility
of the network security administrator.
In Cisco Security appliance MPF was
included with software version 7.0. MPF stands for Modular policy framework. MPF
can segment traffic flows into traffic classes and can assign 1 or more then 1
action on that class. Class segregate the network traffic flow within the
network at the packet level. Each packet is identified and matched to attribute
listed in the class map.
