Firewall Setup
When you modify a firewall configuration, it is important to consider potential security risks to avoid future issues. For this discussion, assume the role of a network security administrator tasked with installing a specific firewall on the network. Select one of the following firewall types:
Software
Hardware
Cloud
Packet filtering
Stateful inspection
Multilayer inspection
For your main post, identify your firewall choice and provide a summary of the functions it will provide the network. Conclude your post with your assessment on the necessity of the firewall in protecting the network.
Sample Solution
Firewall Choice: Stateful Inspection Firewall
A stateful inspection firewall is a type of firewall that monitors incoming and outgoing traffic to and from a network. It keeps track of the state of active connections and makes decisions based on the context of the traffic. This allows stateful inspection firewalls to block malicious traffic while allowing legitimate traffic to pass through.
Full Answer Section
Functions of a Stateful Inspection Firewall Stateful inspection firewalls can provide a variety of functions, including:- Packet filtering: Stateful inspection firewalls can filter packets based on a variety of criteria, such as source and destination IP addresses, ports, and protocols.
- Stateful inspection: Stateful inspection firewalls can track the state of active connections and make decisions based on the context of the traffic. This allows them to block malicious traffic, such as denial-of-service attacks and port scans.
- Application layer inspection: Stateful inspection firewalls can inspect traffic at the application layer, which allows them to block malicious applications and websites.
- Malware attacks: Stateful inspection firewalls can block malware attacks, such as viruses, worms, and Trojans.
- Denial-of-service attacks: Stateful inspection firewalls can block denial-of-service attacks, which can overwhelm the network with traffic and make it unavailable to legitimate users.
- Port scans: Stateful inspection firewalls can block port scans, which attackers use to identify open ports on a network that they can exploit.
- Malicious applications: Stateful inspection firewalls can block malicious applications and websites, such as those that contain spyware or malware.
- Performance: The firewall should be able to handle the amount of traffic that the network expects to receive.
- Features: The firewall should have the features that the organization needs, such as application layer inspection and support for multiple protocols.
- Price: The firewall should be affordable for the organization.