What Is Firewall ? | Firewall Explained | Firewalls and Network Security | Simplilearn

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This short animated video on What Is A Firewall? will help you understand what a firewall is, along with firewall configuration and how it enables you to prevent a cyberattack. This firewall explained Simplilearn video will help you understand the importance of a firewall, the types of firewalls and network security, and how it works. So, let's get started with this network security topic! Don't forget to take the quiz at 4.28!

The topics covered in this Firewall tutorial video are:
00:00 What Is a Firewall
00:44 Importance of Firewall Configuration
01:32 How Firewall Works
02:31 Types of Firewalls and Network Security
02:57 Packet Filtering Firewall
03:16 Stateful Inspection Firewall
03:35 Proxy Firewall
04:08 Applications of a Firewall
04:28 Firewall Quiz
04:51 Cybercrimes

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What is Network Security?
Most experts define network security as the policies and practices of taking protective measures for protecting network infrastructure from trespassing, illegal access, modification, abuse, change, destruction, or the unauthorized gathering and release of data.

What is Firewall?
If you picture your network as an exclusive nightclub, then the firewall would be the bouncer, working the door and keeping out undesirables. They filter network traffic based on predetermined policies, preventing unauthorized users from coming in. Anyone who’s tried to work remotely but were locked out of their company’s main systems due to not having the right authorization, has experienced first-hand the effectiveness of a firewall.

➡️ About Post Graduate Program In Cyber Security

This Post Graduate Program in Cyber Security will help you learn comprehensive approaches to protecting your infrastructure and securing data, including risk analysis, mitigation, and compliance. You will get foundational to advanced skills through industry-leading cyber security certification courses that are part of the program.

✅ Key Features

- Simplilearn Post Graduate Certificate
- Masterclasses from MIT Faculty
- Featuring Modules from MIT SCC and EC-Council
- 8X higher interaction in live online classes conducted by industry experts
- Simplilearn's JobAssist helps you get noticed by top hiring companies
- Industry case studies in cyber security
- Access to CEH Pro Version
- 25+ hands-on projects
- Capstone project in 3 domains
- MIT CSAIL Professional Programs Community

✅ Skills Covered

- Advanced Hacking Concepts
- Network Packet Analysis
- Ethical Hacking
- IDS Firewalls and Honeypots
- Security and Risk Management
- Network Security
- Software Development Security
- Cryptography OSI and TCPIP Models
- Identity and Access Management
- Security Assessment and Testing
- Trojans Backdoors and Countermeasures
- Mobile and Web Technologies

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