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What Is a Next-Generation Firewall (NGFW)?

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A growing emphasis on cybersecurity has led to the development of advanced technologies designed to protect networks from a variety of threats. One such technology that plays a crucial role in securing networks is a next-generation firewall. This article aims to provide an understanding of what a next-generation firewall is, its features, and how it compares to traditional firewalls.

What is a next-generation firewall?

The term “next-generation firewall” refers to the third generation of firewall technology. It is a network security device that provides capabilities beyond a traditional firewall. While traditional firewalls block threats based on port and protocol inspection, next-generation firewalls go a step further by providing full-stack visibility, including the application layer.

Next-generation firewall features

The core features of next-generation firewalls include:

  1. Deep Packet Inspection: By examining the data part of a packet as it passes an inspection point, threats hidden in regular network traffic are identified and mitigated. This detailed scrutiny enhances network security.
  2. Intrusion Prevention Systems Integration: This feature works by detecting potential threats and responding to them swiftly. It provides advanced visibility and control over network traffic, thereby improving security.
  3. User Identity Management: By controlling access to a network based on the user’s identity, this feature provides an additional layer of protection. It ensures that only authorized users have access to specific network resources.
  4. Application Awareness: This feature identifies and controls applications accessing the network. By ensuring only authorized applications have network access, it provides an extra layer of security.
  5. Automatic Updates: With this feature, the firewall remains current with the latest threat intelligence. It offers real-time protection against new and emerging threats, enhancing network security.
  6. Threat Intelligence: By analyzing data about existing and potential cyber threats, this feature enables the firewall to provide proactive security. It helps in predicting, preparing for, and preventing potential cyber threats.
  7. Secure Sockets Layer Inspection: This feature decrypts and inspects encrypted Secure Sockets Layer traffic. It identifies hidden threats, providing enhanced security to the network.

Next-generation firewall vs traditional firewall

The primary difference between a next-generation firewall and a traditional firewall lies in the level of protection provided. Traditional firewalls offer basic network protection by blocking threats based on port and protocol inspection. On the other hand, next-generation firewalls provide a more comprehensive protection level by inspecting packets deeply, integrating intrusion prevention systems, managing user identities, being aware of applications, updating automatically, and inspecting SSL traffic.

The power of next-generation firewalls

In the realm of NGFW in cybersecurity, next-generation firewalls represent a significant leap forward in protection capabilities. By incorporating advanced features such as intrusion prevention systems, sandboxing, data loss prevention, and web application firewalls, they offer a level of security that far surpasses that of traditional firewalls.

While the adoption of next-generation firewalls may require an investment in terms of time and resources, the enhanced level of security they provide makes them an essential tool in any comprehensive cybersecurity strategy.

Next Steps

Building an efficient and effective IT team requires a centralized solution that acts as your core service deliver tool. NinjaOne enables IT teams to monitor, manage, secure, and support all their devices, wherever they are, without the need for complex on-premises infrastructure.

Learn more about Ninja Endpoint Management, check out a live tour, or start your free trial of the NinjaOne platform.

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