Application Analysis and Ascendancy (AIC)
In accession to the all-encompassing ZFW appearance and capabilities, ZFW extends the action of appliance inspection
and ascendancy (AIC) agent by accouterment added capabilities to the ZFW. AIC behavior are activated at Layer 7 of
the OSI model, assuming abysmal packet analysis at the application-protocol level.
ZFW offers appliance analysis and ascendancy for the afterward appliance services:
HTTP
SMTP
POP3
IMAP
Sun alien action call
Peer-to-peer appliance traffic
Instant Messaging applications
Note
AIC is configured as an added set of application-specific class-maps and policy-maps, which are then
applied to absolute analysis class-maps and policy-maps.
Summary
This affiliate discussed the router-based IOS Firewall technology and focused mainly on one of the several
subsystems—the SPI technology that uses the classical firewall that in about-face uses CBAC and the new ZFW
structures. SPI is an avant-garde firewall agent for stateful analysis accouterment traffic-filtering functionality on a
Cisco IOS–based accessory as a distinct point of protection.
The affiliate declared CBAC functions and how they assignment application step-by-step agreement processes with
examples.
The affiliate additionally covered the new ZFW abstraction application aegis zones and exemplified the appropriate accomplish to
configure the ZFW.
The affiliate additionally provided an overview of some of the avant-garde IOS Firewall appearance alien in the newer
IOS Software versions.
References
www.cisco.com/en/US/products/ps6441/products_configuration_guide_book09186a008049e249.html
www.cisco.com/en/US/products/sw/iosswrel/ps1835/products_configuration_guide_chapter09186a00800ca7c5.html
www.cisco.com/en/US/products/sw/secursw/ps1018/products_implementation_design_guide09186a00800fd670.html
www.cisco.com/en/US/products/sw/iosswrel/ps5207/prod_bulletin09186a00801abfda.html
www.cisco.com/en/US/products/ps6441/prod_bulletin09186a00804a8728.html
www.cisco.com/en/US/products/ps6350/prod_bulletin09186a0080457a84.html
www.cisco.com/en/US/products/ps6350/products_feature_guide09186a008072c6e3.html
www.cisco.com/en/US/products/sw/secursw/ps1018/products_white_paper0900aecd806f31f9.shtml