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What is a Firewall?

 

What is a Firewall?
Firewalls are hardware or software solutions that protect your systems from others on the Internet. When using an always-on connection to the Internet such as DSL, Cable or any other broadband connection a firewall is imperative. Residential users connecting one computer directly to a cable modem or DSL modem commonly adopt software firewalls. Hardware firewalls are typically used when connecting a network of computers and are used by both businesses and home users.

Hardware solutions are installed at the gateway, or point of access, to the Internet. Any data that tries to reach a computer on the internal network has to first be verified by the firewall.

Software solutions are installed on the computer and will usually block ports and other points of weakness locally.

Top Tech NY offers hardware solutions to our customers.