What are Firewalls?
According to CISCO a Firewall is a network security device that monitors incoming and outging traffic and decides whether to allow or block specific traffic. A Firewall can be either hardware or software-based.
What does a Firewall do?
For more than 25 years Firewalls have been the first line of defence in network security. A Firewall protects your network from threats. Without mondern firewalls out computer security would defintely be pretty underwhelming then it is today. But, which is better? Virtual Firewalls is a network firewall service or appliance running entierly within a virtual enviorment. These appplications are a option for those companies that workout ouside of a network. While Hardware firewalls are actual physical appliances that provide a bang for their buck. These appliances are expensive and complicated using up to date specs suitable for any huge company. So, we have to ask which is better? For what you need.