The Definitive Guide to Setting up and Configuring Linux Firewalls Linux Firewalls, Third Edition continues in the footsteps of its best-selling predecessors by providing an authoritative and thoroughly updated summary of how to implement a Netfilter/iptables firewall in Linux.
Geared toward installations of all sizes, and written for individual users, system administrators, consultants, IT staff, and others who implement and support Linux systems, this book is distribution neutral, and includes examples from Linux kernel versions 2.4 and 2.6 in the Suse Linux, Debian, and Red Hat distributions.
Topics covered in this book range from the fundamentals of managing users and groups to setting up and configuring essential network services to securing a server against possible hackers. The book is especially useful for its explanations of iptables, packet filtering, and firewall optimization, along with discussions of advanced concepts, including customizing the Linux kernel to enhance security.
Whether you need to set up a firewall system for an enterprise implementation or need to secure your own workstation, Linux Firewalls, Third Edition, is your complete, definitive solution.
Part I Packet-Filtering and Basic Security Measures
Part II Advanced Issues, Multiple Firewalls, and Perimeter
Networks
Part III Beyond iptables
Part IV Appendices
Appendix A Security Resources
Appendix B Firewall Examples and Support Scripts
Appendix C VPNs
Appendix D Glossary