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Build Your Linux Firewall Mastery: Unlock the Power of IPtables, NFTables, and UFW by Lynne Kolestar

Build Your Linux Firewall Mastery: Unlock the Power of IPtables, NFTables, and UFW

by Lynne Kolestar
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Book cover type: Paperback
  • ISBN13: 9798301781711
  • Binding: Paperback
  • Subject: N/A
  • Publisher: Independently Published
  • Publisher Imprint: Independently Published
  • Publication Date:
  • Pages: 184
  • Original Price: GBP 13.91
  • Language: English
  • Edition: N/A
  • Item Weight: 254 grams
  • BISAC Subject(s): Security / Network Security

"Build Your Linux Firewall Mastery: Unlock the Power of IPtables, NFTables, and UFW" is an in-depth guide designed for users seeking to enhance their Linux firewall knowledge and skills. Part 1 introduces the fundamentals of firewalls, discussing their importance in securing Linux systems against cyber threats. Readers learn about the evolution of Linux firewalls, focusing on IPtables and NFTables, and the key differences between software and hardware firewalls. It also covers networking essentials, such as IP addressing, subnets, and protocols, providing a solid foundation for firewall configuration.

In Part 2, the book dives into mastering IPtables, a powerful tool for managing Linux firewalls. It begins by explaining the history and architecture of IPtables, followed by practical guidance on installing and configuring rules. The section covers essential topics like Network Address Translation (NAT), packet filtering, and advanced features such as rate limiting, connection tracking, and creating custom chains. By the end of this section, readers will be able to implement complex IPtables rules to secure and optimize their network traffic.

Part 3 transitions to NFTables, a more modern and efficient firewall tool that is gradually replacing IPtables. The book explains why NFTables offers advantages in terms of performance and rule management. It guides users through the process of migrating from IPtables to NFTables, setting up complex filtering rules, and managing NAT configurations. Advanced topics such as IPv6 support, traffic control, and packet classification are also covered, preparing readers for high-level firewall management.

The book concludes with practical use cases in Part 5 and beyond, offering guidance on securing home networks, web servers, and VPNs. It provides automation techniques using bash scripts and cron jobs to manage firewall rules, and explores advanced topics like firewalling in containerized environments, managing IPv6 networks, and integrating firewalls with security tools. With extensive appendices, including cheat sheets and troubleshooting checklists, this comprehensive guide equips users with the knowledge to secure their Linux systems using IPtables, NFTables, and UFW effectively.

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