What is a firewall for beginners? A firewall is used. to add a layer of protection between your computer or network and potential hackers. As you read through this document, you will learn more about firewalls, how they work, and what kinds of threats they can protect you from.
What are the disadvantages of using a firewall?
- Cost. Firewalls does have an investment depending on the types of it.
- User Restriction. It is no doubt that firewalls prevent unauthorized access to your system from the network.
- Malware Attacks.
- Complex Operations.
What is a firewall and how does it work? A firewall is a system that provides network security by filtering incoming and outgoing network traffic based on a set of user-defined rules. In general, the purpose of a firewall is to reduce or eliminate the occurrence of unwanted network communications while allowing all legitimate communication to flow freely.
What a firewall looks like?