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Build Your Own Firewall

Discover how to create your own firewall tailored to your specific needs with our detailed guide. Understand the differences between hardware and software firewalls, and learn to specify rules easily through a user-friendly interface. Explore essential features like packet filtering, DHCP proxy, content filtering, and network monitoring. Follow simple steps to choose a base distribution, customize it, and implement iptables rules. This guide is perfect for anyone wanting a secure, low-maintenance firewall solution.

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Build Your Own Firewall

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    1. Build Your Own Firewall

    2. Why, What & How Why Hardware vs. Software Existing vs. Custom Customer Specifications Set rules & Easy Interface

    3. What – Basic Features Packet Filter DHCP Proxy & Cache Content Filter Perimeter IDS Network Monitor Bandwidth Control

    4. How – Simple Steps Choose Base Distro Trim Customise Test

    5. Custom Distro Chose familiar Secure & Harden Package Management Updates Backup & Restore

    6. Iptables Ruleset Several Examples to choose from Customise Adapt

    7. Interface vi/text editor web-based ncurses gui

    8. PC/Appliance Form Factor No moving parts (low maintenance) Performance Cost

    9. Future Scripts only Complete Distro More features

    10. Credits Dr. GR Bhat Dhruv Gami Prateek Khanna Shekhar Govindrajan

    11. Useful Resources www.netfilter.org www.linuxguruz.com/iptables 256.com/gray/docs/rh_boot/

    12. Thank You!

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