Next-Generation Firewall (NGFW)


Next-generation firewall refers to advances in firewall technology, from app awareness, user-based filtering, and intrusion prevention to cloud inspection.

  • original next-gen firewall was released in 2010 by Palo Alto
  • no official specification for what an NGFW can do
  • Typical features:
    • Layer 7 application-aware filtering
      • including inspection of TLS encrypted traffic
    • Integration with network directories
      • facilitating per-user or per-role content and time-based filtering policies
        • providing better protection against an insider threat
    • IPS functionality
      • can combine traditional firewall functionalities with advanced capabilities
    • Integration with cloud networking