This type of firewall is easy to set up but offers limited protection. If the packet doesn’t meet the specific criteria of the firewall rules, it’s blocked and discarded. Packet Filter Firewalls: This is the most basic level firewall that examines each packet (a piece of data) that goes in and out from your computer to determine if it’s allowed through. They will function in accordance with the type and level of protection one requires. You have the leverage to implement firewalls on both hardware or software realms, or a combination of the former two at once. They can be used to protect a single computer, a whole network, or even the internet as a whole. Now, let’s discuss the basics of firewalls and how they can help protect your organization’s computer networks- shall we? How does the firewall work?Īs stated earlier, a firewall is a device or software application that helps protect your computer network from unwanted access and intrusion.įirewalls work by blocking incoming and outgoing traffic based on predefined rules. Firewalls can be software-based or hardware-based and is a part of cybersecurity.Ī firewall is an important part of your organization’s defense against cyber attacks.

Conclusion First things first, What is a Firewall?Ī firewall is a security system that controls the flow of incoming and outgoing traffic on a network.

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First things first, What is a Firewall?.

Firewall in cyber security