Traditional Firewall Vs Next Gen Firewall (NGFW) - IP With Ease

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TRADITIONAL FIREWALL VS NEXT GEN FIREWALL ngfw

Introduction to Traditional & Next Gen Firewalls

With advancement in technology and new threats being introduced in the ever dynamic IT world, security has become quite essential. And so has the need for more advanced and smarter products. One such case is that of NGFW (Next Gen Firewall).

Traditional firewalls have been there for quite long and offered protection to customer network based on controlling protocols and ports and restricting traffic to and from specific IP addresses. However, these days attacks have become more innovative and have started targeting applications and services instead of ports like 80 and 443 etc.  (http and https)

  • While Standard firewall had features like packet filtering, network address translation and VPN, NGFW has been made “Application Aware” i.e. capable of identifying applications and applying controls at the application layer.
  • NGFW has also gone step ahead by improved decision making like using reputation services or identity services such as Active Directory.
  • Another major driver for the adoption of NGFW is the benefit of reducing the complexity of managing disparate security products.

Comparison Table : Traditional Firewall vs Next Gen Firewall (NGFW)

Below table shares the difference between Traditional firewall and Next Gen firewall –

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PARAMETERTRADITIONAL FIREWALLNEXT GEN FIREWALL (NGFW)
Application Visibility and Application ControlPartialDetailed
CAPEX and OPEX (considering all feature requirement)Higher since separately need to buy and maintainConsiderable reduction since all services will be bundled into single box
IPS (Intrusion Prevention System)Not SupportedSupported
NATSupportedSupported
Reputation and identity servicesNot SupportedSupported
Traffic filtering (Port, IP Address and protocol based)SupportedSupported
VPNSupportedSupported
Application level awarenessNot SupportedSupported
Working LayerLayer 2 to Layer 4Layer 2 upto Layer 7
Throughput and performanceLower than NGFW and drastically reduces when additional services introduced.Much higher than traditional Firewall and doesn’t change much on introduction of additional services.
ReportingStandard reportsCustomized reporting upto user level giving near real time detail with plenty of additional reporting options like download format etc.

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Download the comparison table here.

traditional-firewall-vs-next-generation-firewall

Continue Reading:

Stateful vs Stateless Firewall

Web Application Firewall (WAF) vs Network Firewall

ABOUT THE AUTHOR

Rashmi BhardwajRashmi BhardwajFounder of AAR TECHNOSOLUTIONS, Rashmi is an evangelist for IT and technology. With more than 12 years in the IT ecosystem, she has been supporting multi domain functions across IT & consultancy services, in addition to Technical content making.

You can learn more about her on her linkedin profile – Rashmi Bhardwaj

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