![]() ![]() Source IP address, User, Internet services.Incoming interface and Outgoing interface.When a packet arrives each policy has a matching criterion which you can define using following objects: Local-in Policy (Origin and Destination is FortiGate itself).Firewall Virtual wire pair (IPv4, IPv6).Address, User, and Internet service object.FortiGate looks for matching firewall policies from top to bottom and if the match is found the traffic is processed based on the firewall policy, if no match is found the traffic is dropped by the Default Implicit Deny firewall policy.įortiGate Firewall Policy Types & ComponentsĮach FortiGate Firewall policy matches traffic and applies security by referring to the objects that are identified such as addresses and profiles. Will Network Translation Address NAT be applied if Authentication is required, firewall policies also determine answers to these questions.Īfter processing is finished FortiGate forwards the packet towards its destination. ![]() Those scans could block the traffic if for example it contains the virus otherwise the traffic is allowed. ![]() Firewall policies define which traffic matches them and what FortiGate does when traffic does match, should the traffic be allowed? Initially FortiGate basis this decision on simple criteria, such as the source of the traffic then if the policy doesn’t block the traffic FortiGate begins a more computational security profile inspection often known as Unified Threat Management (UTM), such as Antivirus, Application Control and Web Filtering if you have chosen it in the policy. ![]()
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