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Packet Filtering

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May 1, 2024 4 minute read

Packet filtering is a fundamental network security technique used to control the flow of traffic into and out of a network. Packet filtering works by inspecting the source and destination addresses, ports, protocols, and other packet attributes to determine whether a packet should be allowed or blocked.

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Path to Packet Filtering

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We've curated five courses to help you on your path to Packet Filtering. Use these to develop your skills, build background knowledge, and put what you learn to practice.

Sorted from most relevant to least relevant:

LFCS Additional Networking Topics

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Linux: System Security (LPIC-2)

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Using Wireshark Command Line Tools

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Identity Management, Authentication and Access Control with pfSense

Identity Management, Authentication and Access Control...

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Configure Standard Access Lists on Cisco Routers

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Reading list

We've selected three books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Packet Filtering.

Secrets and Lies

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Provides a comprehensive overview of packet filtering, covering the basics of how it works, how to configure it, and how to troubleshoot it.

Secrets and Lies: Digital Security in a Networked...

Paperback

Secrets and Lies: Digital Security in a Networked...

Paperback

Secrets and Lies: Digital Security in a Networked...

Kindle Edition

Detection of Intrusions and Malware, and...

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Provides a detailed guide to using Netfilter/Iptables, a popular open-source packet filtering framework.

Detection of Intrusions and Malware, and...

Paperback

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Firewalls

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Comprehensive guide to using pfSense firewalls, which are popular in enterprise networks.

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