iptables is a userspace utility program that allows a system administrator to configure the IP packet filter rules of the Linux kernel firewall. This video will help you understand how to use iptables, cover some common rules, and give you an overview of how to build iptables commands.

Chapters:
0:00 Intro
0:52 What is iptables?
1:55 Tables and Chains
8:50 Packets and Targets
11:40 Installing iptables
15:45 Building iptables Commands
21:00 Listing and Deleting Rules
22:40 Blocking or Allowing Connections To Ports
25:25 Saving and Flushing Rules
27:30 Syntax Recap
30:20 Outro

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