Chapter 18 Troubleshooting : Life of a Packet : FortiOS functions and security layers
  
FortiOS functions and security layers
Within these security inspection types, FortiOS functions map to different inspections. The table below outlines when actions are taken as a packet progresses through its life within a FortiGate unit.
 
Table 105: FortiOS security functions and security layers 
Security Function
Stateful
Flow
Proxy
Firewall
yes
 
 
IPsec VPN
yes
 
 
Traffic Shaping
yes
 
 
User Authentication
yes
 
 
Management Traffic
yes
 
 
SSL VPN
yes
 
 
Intrusion Prevention
 
yes
 
Antivirus
 
yes
yes
Application Control
 
yes
 
Web filtering
 
yes
yes
DLP
 
 
yes
Email Filtering
 
yes
yes
VoIP inspection
 
 
yes