Table of Contents
VPN2S User’s Guide
8
9.1.2 What You Need to Know ................................................................................................... 125
9.2 The Firewall Overview Screen ..................................................................................................... 126
9.3 The DoS Screen ............................................................................................................................. 126
9.4 The Firewall Rules Screen ............................................................................................................. 127
9.4.1 Add/Edit a Firewall Rule ..................................................................................................... 128
9.5 The Device Service Screen .......................................................................................................... 130
9.5.1 Edit a Device Service .......................................................................................................... 132
9.5.2 Add/Edit a Trust Domain .................................................................................................... 132
9.6 The Zone Control Screen ............................................................................................................. 133
9.7 The Scheduler Rule Screen .......................................................................................................... 134
9.7.1 Add/Edit a Scheduler Rule ................................................................................................. 135
9.8 The Service Screen ....................................................................................................................... 135
9.8.1 Add/Edit a Service .............................................................................................................. 136
9.9 The MAC Filter Screen .................................................................................................................. 137
9.9.1 MAC Filter: Add/Edit ........................................................................................................... 138
9.10 The Certificate Screen ............................................................................................................... 139
9.11 The AAA Server ........................................................................................................................... 140
9.11.1 Add/Edit an LDAP Server .................................................................................................141
9.11.2 Add/Edit an RADIUS Server .............................................................................................. 143
Chapter 10
VPN....................................................................................................................................................146
10.1 Overview ..................................................................................................................................... 146
10.2 What You Can Do in this Chapter ............................................................................................ 146
10.3 What You Need to Know ........................................................................................................... 146
10.4 The VPN Status Screen ............................................................................................................... 149
10.5 The IPsec VPN Screen ................................................................................................................ 150
10.5.1 Add/Edit a VPN Gateway ................................................................................................ 152
10.5.2 Add/Edit a VPN Connection ........................................................................................... 158
10.5.3 The Default_L2TP_VPN_GW IPsec VPN Rule ................................................................... 160
10.5.4 PPTP VPN Troubleshooting Tips ........................................................................................ 161
10.6 The PPTP VPN Screen ................................................................................................................. 162
10.6.1 PPTP VPN Troubleshooting Tips ........................................................................................ 164
10.7 The L2TP VPN Screen .................................................................................................................. 165
10.7.1 L2TP Setup - Server ............................................................................................................ 165
10.7.2 L2TP Setup - Client ............................................................................................................. 167
10.7.3 L2TP VPN Troubleshooting Tips ......................................................................................... 168
10.8 The L2TP Client Status Screen .................................................................................................... 171
10.9 Technical Reference .................................................................................................................. 172
10.9.1 IPsec Architecture ............................................................................................................. 172
10.9.2 Encapsulation .................................................................................................................... 173
10.9.3 IKE Phases .......................................................................................................................... 174
10.9.4 Negotiation Mode ............................................................................................................ 175