Simple IPTables Tricks – Idol Star Astronomer

Securing your linux system using iptables can be a daunting task. There are some utilities that can help, but when it comes to security a deep understanding is often very useful. Fundamentally, iptables are lists of rules, executed in order, to determine if a packet should be accepted, dropped, or forwarded along. It has some very powerful features which can help you defend your services, log potential attacks, and forward traffic between computers as well as between ports on the same computer. I will cover some of the basics below.

Source: Simple IPTables Tricks – Idol Star Astronomer

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