What is Firewall? And What Are Advantages of Host-Based Firewall And Network-Base Firewall?

Last updated on March 22nd, 2022 at 10:42 pm

No matter if you’re a small-scale business or a big corporation, you’re transferring your applications and data to the cloud, a security firewall is necessary to protect it from malware and viruses attacks.

Firewalls record activity for analysis, alert you to any suspicious activities and stop malware from infecting your network devices.

If you send money or confidential information online, You may be unprotected to recognize thief and theft.

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It is an excellent idea to install malware protection software and your firewall, as firewalls cannot eliminate malware that already has infected your system.

They also cannot guarantee that your system is not targeted. It could happen if you make a mistake and install malicious software.

What is firewall?

Firewalls utilize various kinds of filtering methods that analyze the information packets that comprise the flow of data.

They serve as a proxy receiver for data, and they identify critical characteristics of outgoing requests and then determine whether the coming data is compatible with these.

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Rules for firewalls can be customized to block specific IP addresses, domain names, protocols, and keywords and ports; however, the majority of commercially-available firewalls have already set up configurations.

Customization is required to be an issue when your firewall is blocking you from accessing data.

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There are various kinds of firewalls, which may be placed in different locations or manage activity in different ways. Two of the most common firewalls offered are host-based and network-based firewalls.

In the above article we will examine both options and the arguments for why an internet-based firewall can be an additional level of security than individual firewalls that are hosted.

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It’s crucial to comprehend the advantages and disadvantages of each before making a choice about the type of firewall you’ll make use of to choose the most suitable option for your particular business.

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What is Host-Based Firewall?

host based firewall

The Host-based firewall is a firewall on every individual server. It monitors both outgoing and inbound network traffic. It decides whether or not to let access to a specific device (i.e., the Microsoft firewall that is included with Windows-based PCs).

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What is Network-Based Firewall?

network based server

A Network-based firewall is integrated into the cloud’s infrastructure (i.e., Amazon’s firewall within AWS environment) or an online firewall service like those offered through Cisco, VMware, and Check Point.

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Host-Based Firewalls Advantages

Host-based firewalls have some advantages over network-based firewalls, for example;

Flexibility: VMs and apps (virtual machines) can be transferred from cloud to cloud, taking host-based firewalls with them.

Customization: The device can be configured for specific circumstances by using particular firewall rules.

Mobility: A laptop or mobile device equipped with firewalls that provide security to the device across various physical areas.

Internal protection: A custom host-based firewall is a way to prevent attacks from within the company by allowing only authorized employees access to specific devices.

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Benefits of  Network- Based Firewall

Network-based firewalls have many benefits over host-based firewalls that include:

More security: If an attacker tries to bypass the firewall of a host and gains an unintentional access point to the host (i.e., through an infection known as a Trojan) and uses administrator privileges to shut down the firewall or even install malware software is undetected in IT.

However, the detection and prevention systems running on a network-based firewall are more likely to spot suspicious traffic created by a Trojan once it has crossed the network barrier.

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Scalability: Inlike host-based firewalls, which need to be replaced if bandwidth exceeds the firewall’s capacity, the network-based firewalls may be expanded as the demand for bandwidth increases.

Accessibility: Network-based firewall providers provide the highest level of availability (uptime) via completely redundant HVAC, power, and network services. At the same time, host-based firewalls are only as reliable as your existing IT infrastructure.

Reach: because of interconnection agreements between firewalls that are network-based providers, protection extends far beyond the limits of the network of a single service provider.

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Cost-effectiveness: network-based firewalls provide greater price-for-money since they don’t require the time-consuming IT involvement required by firewalls that run on hosts, such as individual installations and maintenance on each server.

The ultimate security

Since host-based firewalls provide personalized security, they are beneficial, especially for smaller businesses and those who have fewer devices to guard.

If you’re an SME or an organization with a massive network, then a network-based firewall can offer comprehensive protection for your entire business network.

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The most effective protection could be offered by a combination of host-based and network-based solutions.

With this kind of system, even if an adversary could break the network’s security, it would be necessary for them to attempt to circumvent the firewalls of hosts for each server, too.

Naturally, the cost is higher to have two types of firewall security installed.

This option could be more appealing for large organizations with complex networks to secure and have a more significant perceived threat in terms of danger, for instance, ones with sensitive information to safeguard and stringent conformity requirements to adhere to.

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