Designing and Implementing Linux Firewalls and QoS using netfilter iproute2 NAT and l7-filter

The author draws on his experience to offer the reader valuable advice on the best practices. Providing only necessary theoretical background the book takes a practical approach presenting case studies and plenty of illustrative examples. This book is aimed at Linux Network administrators!--[if !supportAnnotations]-- with some understanding of Linux security threats and issues or any one interested in securing their systems behind a firewall. Basic knowledge of Linux is presumed but other than that this book shows you how to do the rest from configuring your system to dealing with security breaches.