Competitive Advantage Of Virtual Firewall Appliance Over Physical Firewall Appliance

A virtual firewall appliance is a network firewall service that provides packet filtering inside a virtualized environment. A virtual firewall appliance oversees and controls approaching and outgoing traffic. A virtual firewall appliance works in conjunction with switches and servers like a physical firewall.

A virtual firewall appliance keeps an unapproved user from getting to and transmitting information and records and virtual firewall appliance also prevents an organization's employee from exchanging any sensitive information or documents.

A virtual firewall appliance works in two modes: bridge mode and hypervisor mode. Like a conventional firewall framework, bridge mode works by diagnosing and observing the majority of the virtual machines incoming and outgoing traffic. In hypervisor mode, the virtual firewall appliance works in isolation from the physical network, dwelling in the center hypervisor kernel and dealing with the incoming and outgoing traffic of the virtual machine.

Virtual Firewall Appliance

A physical firewall is a system firewall implemented in a real-world security appliance or as a feature of a routing device that is situated at the edge of the network.

A physical firewall associated with the ensured internal network and the public web over dedicated network interfaces. It comprises servers and switches and works on the outside of an operating system instead of being built-in. The servers are connected to assign switches and then directed to the firewall.

One of the advantages of utilizing a physical firewall is that it is situated between the server and the web, and it is the only way for network traffic to pass to and from the ensured system. Without passing traffic through the network interfaces, the hosts, servers, and some other devices on the internal protected network won't have the capacity to communicate or trade information with any hosts, servers, or other devices on the public web. Since every data exchange is intervened through the firewall before they can be finished, threats are diminished.

Another favorable position of utilizing physical firewalls is that hardware security appliances are intended to deal with heavier traffic loads and have quicker response times. Network borders can also be reinforced using a physical firewall, enhancing system security.

Moreover, a physical firewall is simpler to oversee because it is an isolated network component and doesn't influence the performance of other applications as it might in a virtualized situation. A hardware firewall can also be closed down, moved, or reconfigured with little impact on network connectivity or performance.

In contrast, the virtual firewall appliance is conveyed as software appliances running in virtualized environments. A virtual firewall appliance screens and ensures network traffic by traveling virtual switches and other virtual machines. Virtual switches connect systems and applications across logical partitions, all of which is directed using a hypervisor that manages the virtualized environment. When the virtual firewall appliance is installed on their own individual servers, the virtual firewall appliance can be easier to configure and set up.

The virtual firewall appliance may also be more affordable than physical firewalls, but the cost of acquiring and deploying a substantial number of virtual firewall appliance may still be critical, and managing a large number of virtual firewall appliance can present different difficulties.

One standpoint of a virtual firewall appliance over physical firewalls is that the virtual firewall appliance can be centrally regulated, while physical firewalls often require IT and network support staff to install, administer, and support them on location.

Comodo, a worldwide innovator and developer of cybersecurity solutions and the global pioneer in digital certificates, released Comodo Dome Firewall 2.0, an all-in-one Unified Threat Management (UTM) virtual appliance, which provides a far-reaching suite of boundary and network security features, installed on-premises and free of charge.

Comodo Dome Firewall is the only free UTM solution globally that meets the Common Criteria (CC) EAL 4+ certification, showing that it meets an agreed-upon international information security standard for government deployments. CC EAL 4+ certification guarantees clients that Comodo Dome Firewall 2.0 has been assessed and confirmed by an unbiased, third-party research center. CC certifications are commonly recognized by 26 countries.

Comodo Dome Firewall 2.0 consolidates the features and administration of traditionally divided point solutions inside a unified dashboard, providing IT managers and teams with visibility and control.

Comodo Dome Firewall 2.0 Virtual Appliance is a fundamental layer of the Comodo Dome Security-as-a-Service (SECaaS) product family. Comodo provides paid offerings with extra security for clients who need to extend their insurance. Clients can settle on full security web gateway functionality with portable file containment, an antispam gateway, data loss prevention, and different highlights.

For more information, visit Stay up with the most recent Comodo News from the Comodo blog at and on Twitter @ComodoNews. Connect with Comodo on LinkedIn at