NETWORK SECURITY
FIREWALLS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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True
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False
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Either A or B
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None of the above
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Detailed explanation-1: -A firewall is a security system designed to prevent unauthorized access into or out of a computer network. Firewalls are often used to make sure internet users without access are not able to interface with private networks, or intranets, connected to the internet.
Detailed explanation-2: -A network firewall can be configured so that any data entering or exiting the network has to pass through it-it accomplishes this by examining each incoming message and rejecting those that fail to meet the defined security criteria.
Detailed explanation-3: -Your firewall can also block certain IP addresses from connecting to your server. On a Windows server, you do this by logging into your server via RDP and creating a new firewall rule listing the IP addresses you want to block.
Detailed explanation-4: -Explanation: UDP is more vulnerable to attacks, so firewalls are often configured to block suspicious UDP traffic.