Applications and remote environments give rise to the need for flexible and agile security. A virtual firewall is a network security solution designed for cloud environments or where deploying hardware firewalls is either difficult or costly, or both. This can include delivering firewall security to public and private cloud architectures or software-defined wide area networks (SD-WAN). Virtual firewalls allow or deny network access to traffic flows between trusted and untrusted zones like traditional hardware firewalls. However, since they are deployed via software, virtual firewalls are perfect for securing virtual environments such as hybrid and multicloud architectures. Their agility and ease…

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