In what way might port filtering be used to protect a network from an attack?1 point To increase the attack surface in a networkTo disable unused ports in order to reduce the attack surfaceTo inspect, analyze, and react to security events based on their priorityTo create isolated subnets for different departments in an organization9.Question 9
Question
In what way might port filtering be used to protect a network from an attack?1 point To increase the attack surface in a networkTo disable unused ports in order to reduce the attack surfaceTo inspect, analyze, and react to security events based on their priorityTo create isolated subnets for different departments in an organization9.Question 9
Solution
Port filtering can be used to protect a network from an attack by disabling unused ports in order to reduce the attack surface.
Here's a step-by-step explanation:
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Identify Unused Ports: The first step is to identify which ports are not being used on the network. These could be ports that were left open for services that are no longer needed, or they could be ports that were never used in the first place.
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Disable Unused Ports: Once these unused ports have been identified, the next step is to disable them. This is done through the network's firewall settings. By disabling these ports, you are effectively closing off these potential entry points for attackers.
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Monitor Network Traffic: Even after disabling unused ports, it's important to continuously monitor network traffic. This can help identify any unusual activity that could indicate a potential security threat.
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Regularly Update and Patch: Finally, it's important to regularly update and patch all systems. This can help protect against new vulnerabilities that could be exploited through open ports.
By reducing the attack surface in this way, a network can be better protected against potential attacks.
Similar Questions
Question 1Fill in the blank: Security teams can use _____ to examine network logs and identify events of interest. 1 pointbaseline configurationport filteringnetwork segmentationsecurity information and event management (SIEM) tools2.Question 2What is a basic principle of port filtering?1 pointAllow ports that are used by normal network operations.Disallow ports that are used by normal network operations.Block all ports in a network.Allow users access to only areas of the network that are required for their role. 3.Question 3A security professional creates different subnets for the various departments in their business, ensuring users have access that is appropriate for their particular roles. What does this scenario describe?1 pointNetwork log analysisPatch updatesNetwork segmentationFirewall maintenance4.Question 4Data in restricted zones should have the same encryption standards as data in other zones.1 pointTrueFalse
What is a basic principle of port filtering?1 pointAllow ports that are used by normal network operations.Allow users access to only areas of the network that are required for their role. Block all ports in a network.Disallow ports that are used by normal network operations.3.Question 3
Single Choice3)What best describes the function of Network Attack Protection?It continuously scans the ports to find the ones open to communication and closes them.It is an extension of firewall that improves detection on the network level.It communicates with ESET’s C&C servers and frequently updates whitelists and blacklists of IPs.It checks whether network services aren’t trying to make unwanted modifications to existing files.
Which of the following is a common method to protect a network from unauthorized access and attacks?Opening all ports on the firewallUsing default login credentials for devicesRegularly updating and patching softwareBlock all ports on Firewall
How do well-known and dynamic ports contribute to network communication, and what security measures should be considered when managing port usage?
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