Firewall Basics & Network Security for Beginners
Learn firewall fundamentals and network security essentials. Join free infosec webcasts and training sessions with expert Daniel Lowrie. 🔐

Antisyphon Training
52.4K views • Oct 28, 2025

About this video
🔗 Register for FREE Infosec Webcasts, Anti-casts & Summits –
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Join Daniel Lowrie from Antisyphon Training in this Networking Fundamentals episode as he breaks down firewalls—your digital gatekeepers for network security. Learn what firewalls do, how they control traffic, the difference between stateful vs. stateless, and explore packet-filtering, proxy, and next-gen firewalls. Discover how firewall rules, policies, and placement protect networks from cyber threats.
Perfect for IT pros and beginners building a strong cybersecurity foundation.
Chapters
00:00 - Intro – Network Firewalls
00:25 - Infographic
01:35 - The Core Concept
03:38 - External Hardware Firewalls
05:04 - Internal Hardware Firewalls
05:30 - Host Based Software Firewalls
07:16 - Firewall Concepts
10:05 - Types of Firewalls - Packet Filtering
11:26 - Types of Firewalls - Stateful Inspection
13:08 - Types of Firewalls - Proxy
14:36 - Types of Firewalls - Next-Generation (NGFW)
16:07 - How Firewalls Work: Rules & Policies
21:23 - Practical Examples
25:58 - Benefits and Limitations
🔗 View our Pay-What-You-Can Courses
https://www.antisyphontraining.com/pay-what-you-can/
🔗 View the Antisyphon Course Catalog
https://www.antisyphontraining.com/course-catalog/
🔗 View Our Live Training Course Calendar
https://www.antisyphontraining.com/training-calendar/
///Antisyphon Socials
Twitter: https://twitter.com/Antisy_Training
Mastodon: https://infosec.exchange/@Antisy_Training
LinkedIn: https://www.linkedin.com/company/antisyphon-training
Training Discord: https://discord.gg/antisyphon
///Antisyphon Training
Pay What You Can: https://www.antisyphontraining.com/pay-what-you-can/
Live Training: https://www.antisyphontraining.com/training-calendar/
On Demand Training: https://www.antisyphontraining.com/on-demand-courses/
///Antisyphon Shirts
https://spearphish-general-store.myshopify.com/collections/antisyphon-training
///Educational Infosec Content
Black Hills Infosec YouTube: https://www.youtube.com/blackhillsinformationsecurity
Black Hills Infosec Blogs: https://www.blackhillsinfosec.com/blog/
Wild West Hackin' Fest YouTube: https://www.youtube.com/wildwesthackinfest
Active Countermeasures YouTube: https://youtube.com/activecountermeasures
///Backdoors & Breaches - Incident Response Card Game
Backdoors & Breaches: https://www.backdoorsandbreaches.com/
Play B&B Online: https://play.backdoorsandbreaches.com
Join us at our hybrid WWHF conferences —
https://wildwesthackinfest.com/
#bhis #antisyphon #infosec #CyberSecurity #training
https://poweredbybhis.com
Join Daniel Lowrie from Antisyphon Training in this Networking Fundamentals episode as he breaks down firewalls—your digital gatekeepers for network security. Learn what firewalls do, how they control traffic, the difference between stateful vs. stateless, and explore packet-filtering, proxy, and next-gen firewalls. Discover how firewall rules, policies, and placement protect networks from cyber threats.
Perfect for IT pros and beginners building a strong cybersecurity foundation.
Chapters
00:00 - Intro – Network Firewalls
00:25 - Infographic
01:35 - The Core Concept
03:38 - External Hardware Firewalls
05:04 - Internal Hardware Firewalls
05:30 - Host Based Software Firewalls
07:16 - Firewall Concepts
10:05 - Types of Firewalls - Packet Filtering
11:26 - Types of Firewalls - Stateful Inspection
13:08 - Types of Firewalls - Proxy
14:36 - Types of Firewalls - Next-Generation (NGFW)
16:07 - How Firewalls Work: Rules & Policies
21:23 - Practical Examples
25:58 - Benefits and Limitations
🔗 View our Pay-What-You-Can Courses
https://www.antisyphontraining.com/pay-what-you-can/
🔗 View the Antisyphon Course Catalog
https://www.antisyphontraining.com/course-catalog/
🔗 View Our Live Training Course Calendar
https://www.antisyphontraining.com/training-calendar/
///Antisyphon Socials
Twitter: https://twitter.com/Antisy_Training
Mastodon: https://infosec.exchange/@Antisy_Training
LinkedIn: https://www.linkedin.com/company/antisyphon-training
Training Discord: https://discord.gg/antisyphon
///Antisyphon Training
Pay What You Can: https://www.antisyphontraining.com/pay-what-you-can/
Live Training: https://www.antisyphontraining.com/training-calendar/
On Demand Training: https://www.antisyphontraining.com/on-demand-courses/
///Antisyphon Shirts
https://spearphish-general-store.myshopify.com/collections/antisyphon-training
///Educational Infosec Content
Black Hills Infosec YouTube: https://www.youtube.com/blackhillsinformationsecurity
Black Hills Infosec Blogs: https://www.blackhillsinfosec.com/blog/
Wild West Hackin' Fest YouTube: https://www.youtube.com/wildwesthackinfest
Active Countermeasures YouTube: https://youtube.com/activecountermeasures
///Backdoors & Breaches - Incident Response Card Game
Backdoors & Breaches: https://www.backdoorsandbreaches.com/
Play B&B Online: https://play.backdoorsandbreaches.com
Join us at our hybrid WWHF conferences —
https://wildwesthackinfest.com/
#bhis #antisyphon #infosec #CyberSecurity #training
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Video Information
Views
52.4K
Likes
2.0K
Duration
29:16
Published
Oct 28, 2025
User Reviews
4.7
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