Extended TCP/IP Stack In Linux
Netfilter Hooks and IP Table

This book explains the design and implementation of TCP/IP in Linux, from simple client-server applications to more complex implementations. Topics include basic sockets concepts and implementations, the Linux implementation of network packets, TCP read/write, TCP algorithms for data transfer, TCP timers, IP layer and routing-table implementation, IP forwarding and quality of service implementation, and how to debug a TCP/IP stack.