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You're reading from  CompTIA Security+ SY0-701 Certification Guide - Third Edition

Product typeBook
Published inJan 2024
PublisherPackt
ISBN-139781835461532
Edition3rd Edition
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Author (1)
Ian Neil
Ian Neil
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Ian Neil

Ian Neil is one of the world's top trainers of Security+. He is able to break down information into manageable chunks so that people with no background knowledge can gain the skills required to become certified. He has recently worked for the US Army in Europe and designed a Security+ course that catered to people from all backgrounds (not just IT professionals), with an extremely successful pass rate. He is an MCT, MCSE, A+, Network+, Security+, CASP, and RESILIA practitioner that has worked with high-end training providers over the past 23 years and was one of the first technical trainers to train Microsoft internal staff when they opened their Bucharest Office in 2006.
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Firewall

Firewalls are the first line of defense in protecting networks from the relentless onslaught of cyber threats. Firewalls can create rules to allow or block traffic by using access lists and knowledge of ports and protocols, or by creating screened subnets. This section will consider the inner workings of firewalls to unveil their multifaceted capabilities and the pivotal role they play in fortifying the digital fortresses that shield data and systems from harm.

Firewall Types

Table 18.1 reviews several different types of firewalls, including their missions and the scenarios in which they are best used. These will be broken down into firewall types, rules, access control lists, ports/protocols, and screened subnets:

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CompTIA Security+ SY0-701 Certification Guide - Third Edition
Published in: Jan 2024Publisher: PacktISBN-13: 9781835461532

Author (1)

author image
Ian Neil

Ian Neil is one of the world's top trainers of Security+. He is able to break down information into manageable chunks so that people with no background knowledge can gain the skills required to become certified. He has recently worked for the US Army in Europe and designed a Security+ course that catered to people from all backgrounds (not just IT professionals), with an extremely successful pass rate. He is an MCT, MCSE, A+, Network+, Security+, CASP, and RESILIA practitioner that has worked with high-end training providers over the past 23 years and was one of the first technical trainers to train Microsoft internal staff when they opened their Bucharest Office in 2006.
Read more about Ian Neil

Host-based firewall

Mission

Protects individual devices (such as your computer)

Use case

Ideal for safeguarding...