![]() ![]() ![]() Packet Filter Firewall controls the network access by analyzing the outgoing and incoming packets. Let us give you a brief introduction about each of these. Packet Filters, Stateful Inspection and Proxy Server Firewalls. There are three basic types of firewalls that are used by companies to protect their data & devices to keep destructive elements out of network, viz. Firewalls shelters the computer network of an organization against unauthorized incoming or outgoing access and renders the best network security. These are the network security systems (hardware/ software-based) that monitors & controls the traffic flow between the Internet and private network on the basis of a set of user-defined rules. When it comes to prevent unauthorized access of third party in a private network, firewalls are used.
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