Fortinet FortiGate FortiGate-800

FortiGate-800 Administration Guide Version 2.80 MR6
FortiGate-800 Administration Guide 01-28006-0008-20041105 247
VPN
FortiGate units support the following protocols to authenticate and encrypt traffic:
• Internet Protocol Security (IPSec)
• Point-to-Point Tunneling Protocol (PPTP)
• Layer Two Tunneling Protocol (L2TP)
This chapter contains information about the following VPN topics:
• Phase 1
• Phase 2
• Manual key
• Concentrator
• Ping Generator
• Monitor
• PPTP
• L2TP
• Certificates
• CLI configuration
• Authenticating peers with preshared keys
• Gateway-to-gateway VPN
• Dialup VPN
• Dynamic DNS VPN
• Manual key IPSec VPN
• Adding firewall policies for IPSec VPN tunnels
• Internet browsing through a VPN tunnel
• IPSec VPN in Transparent mode
• Hub and spoke VPNs
• Redundant IPSec VPNs
• Configuring IPSec virtual IP addresses
• Troubleshooting