What exactly is a firewall? how does a firewall work? - 5 basic firewall types (2021)
IT k Funde・2 minutes read
Firewalls monitor and control network traffic for security, with hardware and software options available. It is recommended to use both types of firewalls for optimal protection, with different architectures and rule priorities for external and internal traffic.
Insights
- Hardware and software firewalls are essential for network security, with hardware options like standalone appliances or integrated routers and software firewalls providing operating system-level protection.
- Application proxy gateway stands out as the most sophisticated type of firewall, operating at the application layer to intelligently assess and manage packets, showcasing advanced security capabilities.
Get key ideas from YouTube videos. It’s free
Recent questions
What is the purpose of a firewall?
To act as a security guard for network traffic, allowing only legitimate traffic.
Related videos
PowerCert Animated Videos
What is a Firewall?
PowerCert Animated Videos
What is a DMZ? (Demilitarized Zone)
Crosstalk Solutions
03 - Routers & Firewalls - Home Networking 101
IBM Technology
Cybersecurity Architecture: Five Principles to Follow (and One to Avoid)
Dave's Garage
OPNSense: Protect Your Home LAN With a Transparent Filtering Bridge with Step by Step Instructions