COMPUTER THREATS SECURITY
WHAT IS A FIREWALL IN NETWORK SECURITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Packet Filtering Firewall
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Application/Proxy Firewall
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Either A or B
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None of the above
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Detailed explanation-1: -A packet filtering firewall is the most basic type of firewall that controls data flow to and from a network. It is a network security solution that allows network packets to move across between networks and controls their flow using a set of user-defined rules, IP addresses, ports, and protocols.
Detailed explanation-2: -A packet filtering firewall is a network security technique that regulates data flow to and from a network. It is a security mechanism that allows packets to move across networks while controlling their flow through the use of a set of rules, protocols, IP addresses, and ports.
Detailed explanation-3: -It monitors the incoming and outgoing packets in each TCP connection. For example, when a packet originates within the local network, the firewall keeps track of the destination address and allows traffic from the destination addressed to the source back onto the local network.