Firewalls
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Why should you have a firewall?
A firewall is a network that monitors the traffic to your system and decides whether to allow the connection or block it due to security issues. They act as a barrier between unsecure or untrusted networks and controlled internal networks.
Turning on a firewall will protect your system from outside connections gaining access or control to your network. A firewall can also offer remote access to a private network. This is done through authentication certificates and secure and private logins.
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