Securing Linux - Firewalls

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Firewalls are an important part of limiting network traffic. Properly implemented firewalls can greatly limit the amount of damage an attacker can do by enforcing access control on the network interface. They can also be incredibly useful for regulating the amount of traffic or allowing certain network translations to occur that provide extra funct...

Time
1 hour
Difficulty
Intermediate
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Overview

Firewalls are an important part of limiting network traffic. Properly implemented firewalls can greatly limit the amount of damage an attacker can do by enforcing access control on the network interface. They can also be incredibly useful for regulating the amount of traffic or allowing certain network translations to occur that provide extra functionality.