Network Device Installation and Configuration Guide

Contents
FortiGate-100 Installation and Configuration Guide 9
Configuring LDAP support .............................................................................................. 177
Adding LDAP servers.................................................................................................. 177
Deleting LDAP servers................................................................................................ 178
Configuring user groups.................................................................................................. 179
Adding user groups..................................................................................................... 179
Deleting user groups................................................................................................... 180
IPSec VPN........................................................................................................... 181
Key management............................................................................................................ 182
Manual Keys ............................................................................................................... 182
Automatic Internet Key Exchange (AutoIKE) with pre-shared keys or certificates ..... 182
Manual key IPSec VPNs................................................................................................. 183
General configuration steps for a manual key VPN .................................................... 183
Adding a manual key VPN tunnel ............................................................................... 183
AutoIKE IPSec VPNs...................................................................................................... 185
General configuration steps for an AutoIKE VPN ....................................................... 185
Adding a phase 1 configuration for an AutoIKE VPN.................................................. 185
Adding a phase 2 configuration for an AutoIKE VPN.................................................. 189
Managing digital certificates............................................................................................ 191
Obtaining a signed local certificate ............................................................................. 191
Obtaining a CA certificate ........................................................................................... 195
Configuring encrypt policies............................................................................................ 196
Adding a source address ............................................................................................ 197
Adding a destination address...................................................................................... 197
Adding an encrypt policy............................................................................................. 197
IPSec VPN concentrators ............................................................................................... 199
VPN concentrator (hub) general configuration steps .................................................. 199
Adding a VPN concentrator ........................................................................................ 201
VPN spoke general configuration steps...................................................................... 202
Redundant IPSec VPNs.................................................................................................. 203
Configuring redundant IPSec VPN ............................................................................. 203
Monitoring and Troubleshooting VPNs ........................................................................... 205
Viewing VPN tunnel status.......................................................................................... 205
Viewing dialup VPN connection status ....................................................................... 205
Testing a VPN............................................................................................................. 206
PPTP and L2TP VPN .......................................................................................... 207
Configuring PPTP ........................................................................................................... 207
Configuring the FortiGate unit as a PPTP gateway .................................................... 208
Configuring a Windows 98 client for PPTP ................................................................. 210
Configuring a Windows 2000 client for PPTP ............................................................. 211
Configuring a Windows XP client for PPTP ................................................................ 212