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Adding internal and external addresses ............................................................................................. 49
Adding an IPSec VPN policy .............................................................................................................. 50
Autokey IPSec VPN for remote clients ................................................................................................... 51
Configuring the VPN tunnel for the client VPN................................................................................... 52
Adding internal and external addresses ............................................................................................. 53
Adding an IPSec VPN policy .............................................................................................................. 53
Configuring the VPN client ................................................................................................................. 54
Manual key exchange IPSec VPN between two networks..................................................................... 54
Configuring the VPN tunnel ................................................................................................................ 55
Adding internal and external addresses ............................................................................................. 55
Adding an IPSec VPN policy .............................................................................................................. 56
Manual key exchange IPSec VPN for remote clients............................................................................. 56
Configuring the VPN tunnel ................................................................................................................ 56
Adding internal and external addresses ............................................................................................. 56
Adding an IPSec VPN policy .............................................................................................................. 56
Testing a VPN......................................................................................................................................... 57
PPTP and L2TP VPNs ..............................................................................58
PPTP VPN configuration ........................................................................................................................ 58
Configuring the DFL-1000 as a PPTP server..................................................................................... 59
Configuring a Windows 98 client for PPTP ........................................................................................ 60
Configuring a Windows 2000 Client for PPTP.................................................................................... 61
Configuring a Windows XP Client to connect to a DFL-1000 PPTP VPN.......................................... 61
L2TP VPN configuration ......................................................................................................................... 62
Configuring the DFL-1000 as an L2TP server.................................................................................... 63
Configuring a Windows 2000 Client for L2TP .................................................................................... 64
Configuring a Windows XP Client to connect to a DFL-1000 L2TP VPN .......................................... 65
RADIUS authentication for PPTP and L2TP VPNs ................................................................................ 66
Adding RADIUS server addresses ..................................................................................................... 67
Turning on RADIUS authentication for PPTP..................................................................................... 67
Turning on RADIUS authentication for L2TP ..................................................................................... 67
Intrusion detection system (IDS) ............................................................68
Attack prevention .................................................................................................................................... 68
Alert email............................................................................................................................................... 68
Configuring alert email........................................................................................................................ 68
Testing email alerts ............................................................................................................................ 69
Virus protection........................................................................................70
Virus and worm protection for your internal network .............................................................................. 70
Configuring high level virus protection for your internal network........................................................ 71
Configuring medium level virus protection for your internal network ................................................. 72
Configuring low level virus protection for your internal network ......................................................... 73
Configuring worm protection for your internal network....................................................................... 74
Virus and worm protection for incoming connections............................................................................. 74
DFL-1000 User's Manual
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