A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules. It is designed to prevent unauthorized access to or from a private network. You can implement a firewall in either hardware or software form, or a combination of both.
Become a guest blogger on the Tech Teachers web siteAre you a Computer Applications Technology teacher with something to say? Would you like to see your thoughts published here on Tech Teachers? Fill in the form below and upload a PDF or Word document with your text content, no images required.