Different Types of Firewalls

What is Firewall-

A firewall is a network security device that monitors incoming and outgoing network traffic and decides whether to allow or block specific traffic based on a defined set of security rules.

1. Software Firewalls-

A software firewall is a firewall in a software form factor rather than a physical appliance, which can be deployed on servers or virtual machines to secure cloud environments.

*Note: The term “software firewall” should not be confused with the term “firewall software,” which describes the operating system running a next-generation firewall (NGFW).

Software firewalls are designed to protect data, workloads and applications in environments wherein it is difficult or impossible to deploy physical firewalls, including:

-Software-defined networks (SDN)
-Hypervisors
-Public cloud environments
-Virtualized data centers
-Branch offices
-Container environments
-Hybrid and multi-cloud environments