FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -Explanation. In computing, a stateful firewall is a network firewall that tracks the operating state and characteristics of network connections traversing it. The firewall is configured to distinguish legitimate packets for different types of connections.

Detailed explanation-2: -What is a Stateful Firewall? Stateful firewalls monitor all aspects of the traffic streams, their characteristics and communication channels. These firewalls can integrate encryption or tunnels, identify TCP connection stages, packet state and other key status updates.

Detailed explanation-3: -A stateless firewall does not keep data about the data streams and connections in the system. So, it evaluates each packet incoming/outgoing the system as a particular and independent element. A stateful firewall, however, keeps the information about streams and connections, employing it to evaluate each packet.

Detailed explanation-4: -A stateful firewall is a firewall that monitors the full state of active network connections. This means that stateful firewalls are constantly analyzing the complete context of traffic and data packets, seeking entry to a network rather than discrete traffic and data packets in isolation.

Detailed explanation-5: -A stateful connection is one in which some information about a connection between two systems is retained for future use. In some cases, the connection is kept open even though the two systems might not be transmitting information (i.e., the connection itself retains state).