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How does port filtering and access list help provide security?
They prevent specified types of trafic from reaching specified network destination
What are the advantages of MAC Address Filtering?
MAC filtering takes network security to the next level by only granting access to specific network cards.A MAC (media access control) address is a unique identifier for a network card; no two cards have the same MAC address, so it functions like a fingerprint - even a wireless card and an Ethernet card built-in to the same laptop won't have the same MAC address. Therefore, MAC address filtering adds security by only allowing network cards with the right "fingerprint" to access the network.However, it should be noted that MAC address filtering is not a strong form of security. MAC addresses are extremely easy to "spoof" - that is, it's easy to fake the address of a legitimate network card. If an attacker is able to identify the MAC address of a permitted network card, they can masquerade as the legit card. Therefore, MAC address filtering is not a replacement for using encryption. MAC address filtering can help security if used in an environment running WPA.
How can unauthorized access to a wireless network be prevented?
Unauthorized access to a wireless network can be prevented by using strong encryption methods like WPA2, setting up a strong password, enabling network security features like MAC address filtering, and regularly updating the router's firmware.
What device is used to protect one network from another by using filtering packets?
A firewall is the device used to protect one network from another by filtering packets. It monitors and controls incoming and outgoing network traffic based on predetermined security rules. Firewalls can be hardware-based, software-based, or a combination of both, and they help prevent unauthorized access and attacks on a network.
The 2 security methods used on network?
There are two types of network security concerns: network infrastructure security and content security. Securing a network infrastructure includes the physical securing of devices that provide network connectivity and preventing unauthorized access to the management software that resides on them. Content security refers to protecting the information contained within the packets being transmitted over the network and the information stored on network attached devices.
What do you understand by network security?
network security means protecting data and resources from access by unauthorized persons
What is used to control access to a network based on the address hard coded into the NIC?
MAC filtering
How do you establish security in wifi adhoc network?
To establish security in a Wi-Fi ad hoc network, you can implement encryption protocols like WPA2 or WPA3 to protect the data transmitted between devices. Additionally, use strong, unique passwords for network access and consider disabling SSID broadcasting to limit visibility. Regularly update device firmware and software to patch vulnerabilities, and enable firewalls on devices to further enhance security. Lastly, limit network access to trusted devices by employing MAC address filtering.
What are two important outcomes of good computer and network security?
-Keep equipment functioning -Provide access only to authorized users
What are some of the threats for which computer security consultants provide protection?
Computer security consultants provide protection to companies from unauthorized access from inside or outside or the network. They also provide security options in case of natural disasters, or any other unexpected event that might threaten the company's security.
What the simplest method of filtering traffic?
The simplest method of filtering traffic is to use a firewall to block certain ports or IP addresses. This can help to prevent unauthorized access to your network and reduce the risk of security breaches. It is also important to regularly update your firewall rules to stay protected against emerging threats.
How can a DNS firewall improve networking security for your business?
Implementing a DNS firewall can significantly enhance networking security for businesses. By filtering and blocking malicious DNS queries, it prevents access to known threats like phishing sites and malware-infected domains. This proactive filtering mechanism reduces the risk of infections, data breaches, and unauthorized access attempts. DNS firewalls also enforce security policies, ensuring compliance with industry regulations and protecting sensitive information. They improve overall network performance by redirecting users away from potentially harmful sites and towards secure resources. Operating at the DNS level, these firewalls provide a critical layer of defense, fortifying network security against evolving cyber threats effectively.
