Cy - Firewall
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A firewall is a program that blocks certain internet programs and sites from accessing a computer. While a firewall can protect against some online threats, it cannot detect the contents of emails or protect against phishing scams. Firewalls can be either software already installed on a computer or hardware that uses a router and ethernet card to control internet access and filter network traffic.
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Cy - Firewall
- 1. By Cy
- 2. A firewall is a program that blocks certain programs such as sites from the Internet . Most computers should have a firewall installed.
- 3. A firewall can not find out what is in an e-mail message so the firewall can not stop it. A firewall can also not protect you from a phishing scam.
- 4. Sometimes computers come with a firewall already installed such as future generation computers. A hardware firewall has a router and a Ethernet card
- 5. Hardware Firewalls are routers that have a Ethernet card with a hub. The Ethernet card and hub allow the user of the computer to go to Internet sites.
- 6. A software firewall has a firewall already installed. You can also buy a firewall that protects you from hackers.