Sam -Firewall
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A firewall is a software or hardware program that protects computers and networks from viruses, worms, and hackers by blocking unauthorized access and data while allowing permitted communications. While firewalls can prevent viruses and attacks from the internet, they cannot stop email viruses or phishing scams that come through email. There are two main types of firewalls - software firewalls like antivirus programs and hardware firewalls that are routers with built-in firewall capabilities to protect entire home networks.
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Sam -Firewall
- 1. BY SAM THE FIREWALL
- 2. WHAT IS A FIREWALL? A firewall is a hardware/software program that keeps out viruses , worms and hackers. The first thing you would want to do if you use a computer at home, is set up a firewall. Windows 7 and higher have a firewall built in and can have them turned on by default.
- 3. WHAT A FIREWALL CAN NOT PREVENT Email viruses Phishing scams Email viruses are in Emails and firewalls don’t do any thing about Emails. Phishing scams are used like with a name of a trusted compony and you give your credit card # away and they just use that number.
- 4. TYPES OF FIREWALLS Software firewalls Programs like Macafee , norton , trend and zonealarm are good examples of software firewalls. Hardware firewalls Hardware firewalls are usually routers with a built in Ethernet card and hub. Your computer or computers on your network connect to this router & access the web.
- 5. THE END