The complete guide to the most popular Cisco PIXR, ASA, FWSM, and IOSR firewall security features * Learn about the various firewall models, user interfaces, feature sets, and configuration methods * Understand how a Cisco firewall inspects traffic * Configure firewall interfaces, routing, IP addressing services, and IP multicast support * Maintain security contexts and Flash and configuration files, manage users, and monitor firewalls with SNMP * Authenticate, authorize, and maintain accounting records for firewall users * Control access through the firewall by implementing transparent and routed firewall modes, address translation, traffic filtering, user authentication, content filtering, application inspection, and traffic shunning * Increase firewall availability with firewall failover operation * Understand how firewall load balancing works * Generate firewall activity logs and learn how to analyze the contents of the log * Verify firewall operation and connectivity and observe data passing through a firewall * Control access and manage activity on the Cisco IOS firewall * Configure a Cisco firewall to act as an IDS sensorEvery organization has data, facilities, and workflow processes that are critical to their success. As more organizations make greater use of the Internet, defending against network attacks becomes crucial for businesses. Productivity gains and returns on company investments are at risk if the network is not properly defended. Firewalls have emerged as the essential foundation component in any network security architecture.