Chapter 16. IP Filter and Firewall

  1. Sameer Seth,
  2. M. Ajaykumar Venkatesulu

Published Online: 29 JAN 2008

DOI: 10.1002/9780470377833.ch16

Book Title

TCP/IP Architecture, Design, and Implementation in Linux

TCP/IP Architecture, Design, and Implementation in Linux

Additional Information

How to Cite

Seth, S. and Venkatesulu, M. A. (2008) IP Filter and Firewall, in TCP/IP Architecture, Design, and Implementation in Linux, John Wiley & Sons, Ltd, Hoboken, NJ, USA. doi: 10.1002/9780470377833.ch16

Author Information

  1. Bangalore, India

Publication History

  1. Published Online: 29 JAN 2008
  2. Published Print: 10 NOV 2008

ISBN Information

Print ISBN: 9780470147733

Online ISBN: 9780470377833

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CHAPTER TOOLS

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Keywords:

  • firewall software - three directions of traffic movement;
  • IP filter and firewall;
  • Iptables and shortcomings of ipchains

Summary

This chapter contains sections titled:

  • Netfilter Hook Framework

  • Netfilter Hooks on IP Stack

  • Overview of Netfilter Hooks on Linux TCP-IP Stack

  • Registration of Netfilter Hooks

  • Processing of Netfilter Hooks

  • Compatibility Framework

  • Ip Chains

  • How Is the Packet Filtered with Ipchains

  • Iptables

  • Iptables Filter Rules and Target Organization

  • Organization of Filter Rules and Target for Iptables

  • Filtering Packets with Iptables

  • Summary

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