Check Point Firewall-1aA A is the world's leading firewall - but it's extremely difficult to find in-depth, independent guidance on using it effectively. In this book, the maintainer of the world's leading Firewall-1aA A FAQ brings together comprehensive, expert guidance on every aspect of working with Firewall-1aA A : planning, configuration, deployment, administration, tuning, and troubleshooting. In this book, Daemon Welch draws upon his extensive hands-on experience in teaching and implementing Firewall-1aA A in a wide variety of corporate environments. He begins with a practical overview of firewall security, and what a firewall can and can't do. Welch covers planning your Firewall-1aA A installation, building your "rulebase," configuring Firewall-1, logging and alerting, remote management, authentication and passwords, content security, network address translation (NAT), encryption, high availability, performance tuning, and much more. The book contains detailed coverage of VPNs, including client-to-firewall VPNs, the VPN-1 SecuRemote Secure Virtual Network Architecture, secure clients, and VPN troubleshooting.Along the way, Welch provides practical rules and checklists that can't be found anywhere else. For all computer security specialists, network/Web professionals, and system administrators, and for super-power users responsible for protecting computer systems against intrusion.