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Firewalls – General Concepts explained

Firewalls – General Concepts explained

Most of us have heard of firewalls, but do we understand the concepts that make them work. This week, Host Africa will take a look at some basic firewall concepts and try to make them a bit easier to understand. Types of firewall Traditionally, there are two main types with many variations in-between. These two […]

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Setting up a simple firewall in Linux

Setting up a simple firewall in Linux

Basics In Linux, there are a few basic concepts that we need to understand before we start. Firewall rules are, in general, applied as they are read, from the top down. The best firewall DENIES ALL and only ALLOWS what is needed. OUTBOUND rules are generally more relaxed than INBOUND. A Policy is what gets […]

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