Cisco Pix Firewalls for Not Yet Techies

"Computer Careers: Securing Networks From Hackers and Crackers"

by Richard Stooker, President Info Ring Press and author of Secrets of Changing to a Computer Career

Cisco Pix is a line of firewall products marketed by the manufacturer of the best and most common Internet networking hardware. Cisco Pix comes in a number of variations to fit different businesses, from small home businesses (SOHO) to large scale enterprises.

Cisco Pix are hybrid firewalls use its own operating system, Pix OS, and Finesse Operating Systems (FOS). They are stateful firewalls using Adaptive Security Algorithm (ASA) and take a layered approach to security.

These firewalls come with their own hardware devices. They also have a version for Cisco Mobile Office to provide secure access for businesspeople while they're on the road.

Cisco Pix firewalls use:

Perimeter router
Main firewall
Virtual Private Network (VPN)
Intrusion Detection System (IDS)
Dynamic Host Configuration Protocol (DHCP)
Network Address Translation (NAT)
Port Address Translation (PAT)
Content filtering (Java/ActiveX)
URL filtering
AAA (RADIUS/TACACS+) integration
Support for leading X.509 PKI solutions
DHCP client/server
PPPoE support

Cisco Pix stateful firewalls add awareness of connections.

Next: DHCP Dynamic Host Configuration Protocol

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