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Book: Designing and Implementing Linux Firewalls and QoS using netfilter, iproute, NAT and l7-filter
After giving us a background of network security, the book moves on to explain the basic technologies we will work with, namely netfilter, iproute2, NAT and l7-filter. These form the crux of building Linux firewalls and QOS. The later part of the book covers 5 real-world networks for which we design the security policies, build the firewall, setup the script, and verify our installation.
Providing only necessary theoretical background, the book takes a practical approach, presenting case studies and plenty of illustrative examples.
- How to secure your system and implement QoS using real-world scenarios for networks of all sizes
- Implementing Packet filtering, NAT, bandwidth shaping, packet prioritization using netfilter/iptables, iproute2, Class Based Queuing (CBQ) and Hierarchical Token Bucket (HTB)
- Designing and implementing 5 real-world firewalls and QoS scenarios ranging from small SOHO offices to a large scale ISP network that spans many cities
- Building intelligent networks by marking, queuing, and prioritizing different types of traffic
Who this book is written for?
This book is aimed at Linux Network administrators 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.
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