![]() ![]() ![]() The following image depicts a firewall installation in the network.įirewalls are a set of tools that monitors the flow of traffic between networks. For example, a firewall may filter all incoming packets destined for a specific host or a specific server such as HTTP or it can be used to deny access to a specific host or a service in the organization. The rudimentary functionality of a firewall is to screen network traffic for the purpose of preventing unauthorized access between computer networks. It is designed to forward some packets and filter others. A firewall is a device installed between the internal network of an organization and the rest of the network. ![]()
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