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Statefull Firewalls

Tracks of Session & updates the Rule Dynamically

          Firewall
          Statefull
  Public |         | Private
         |         |
    FB   |         |  MI
 1.1.1.1 |         | x.x.x.x
         |         |
         |         |

 Dicretion  From   To        Action
 ==================================
 Egress     any    any        Allow
 Ingress  1.1.1.1  2.2.2.2    Allow
 Ingress  3.3.3.3  Any        Allow
 Implicit Deny

Types of Firewalls

• PacketFilteringFireWall
• StatelessFirewall
• StatefullFirewall
• Circuit-Level-Firewall
• Application-Proxy
• Next-Generation Firewalls

http:///wiki/?statefullfirewall

01dec16

admin