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171 Barracuda NG Network Access Client - Administrator’s Guide
The following steps are carried out when a connection is to be established:
1.) Client opens a socket on the server, starts authentication and requests configuration
2.) Client receives configuration (IP, subnet mask, WINS, DNS, …)
3.) Client sends received information to the SPAC
4.) Client triggers ipconfig/renew for the Barracuda NG VPN Virtual Adapter
5.) SPAC answers DHCP requests for the Adapter with the configuration data
6.) Operating system reconfigures the Virtual Adapter
7.) VPN Service introduces additional routes
8.) The corresponding rule set for the Barracuda NG Personal Firewall is implemented.
Fig. 12–2 Connection procedure
User space
Kernel
Hardware
NG VPN
Virtual Adapter
Ethernet
Device
NG VPN
Barracuda Networks VPN
server
Port 691 or
443 via Proxy
SPAC DHCP
Step 2
Step 1
Step 4
Step 3
Step 5
1
12
2
4
3
5
component
- Copyright Notice 2
- Trademarks 2
- Chapter 1 6
- Introduction 6
- 6 Introduction 8
- 1.2.2 Licensing Aspects 10
- 10 Introduction 12
- 1.4 Health Matching 14
- Access Control Service 15
- Settings 15
- Monitor) 17
- 1.6 The Border Patrol 17
- 16 Introduction 18
- Chapter 2 19
- 2.2.2 Remediation Service 21
- 2.2.3 Trustzone-Border 21
- 2.2.4 802.1X 21
- 2.2.5 Advanced 22
- 2.3 Access Control Objects 23
- • Welcome Messages 24
- • Pictures 24
- Control Service 25
- 2.4.1 Rules 29
- Parameter Description 30
- • Not required 33
- • Required 33
- 2.4.6 Policy Assignments 38
- 2.4.7 Settings 39
- 2.4.8 Support Chart 42
- Chapter 3 43
- Fig. 3–1 Rules Incoming 44
- view (figure 3–1) 45
- 3.2.3 Button Bar 46
- 3.2.4 Rule Configuration 47
- 3.2.5 Tester 49
- 3.2.6 Test Report 50
- 3.2.7 Options 51
- 3.3 Adapters 53
- 3.4 User Objects 56
- 3.5 Net Objects 57
- Fig. 3–12 Net Object dialog 59
- 3.6 Service Objects 60
- 3.7 Application Objects 61
- Chapter 4 64
- 4.1.2 Filtering 65
- 4.1.3 Context Menus 66
- 4.1.4 Status Tab 68
- 4.1.5 Status VPN Tab 69
- 4.1.6 Access Tab 69
- 4.1.7 Quarantine Tab 69
- Chapter 5 70
- Client Installation 70
- 5.1 Complete Installation 71
- 5.2 Custom Installation 72
- 5.3 Unattended Setup 72
- @echo off 73
- 5.4 Customer Setup 75
- Directive Comment 77
- 76 Client Installation 78
- 192.168.0.1" 79
- 5.4.5 silent.cmd 80
- 5.5 System Restore 82
- Chapter 6 83
- Update or Migration 83
- Chapter 7 84
- Uninstall 84
- Chapter 8 85
- VPN Configuration 85
- • Usage Scenario 87
- • Architecture 88
- • OS requirements 88
- Chapter 9 89
- 9.2 Rule Set Selection 91
- 9.3 User Interface 92
- 9.4.1 Firewall Menu 93
- 9.4.2 View Menu 95
- 9.5 Load Display 96
- 9.6.1 Summary 97
- 9.6.2 Events 98
- 9.6.3 History 99
- 9.6.5 History Selection Tab 100
- 9.6.6 History Filter Tab 101
- 9.6.7 Live Activity 102
- Column Description 103
- Item Description 103
- 9.6.9 Filter Conditions 104
- 9.8 Configuration 105
- 9.8.2 Rules 106
- 9.8.4 Button Bar 107
- 9.8.5 Rule Configuration 107
- 9.8.6 Adapters 110
- 9.8.7 Networks 112
- 9.8.8 Services 114
- 9.8.9 Applications 116
- 9.8.10 Users 119
- 9.8.11 Rule Tester 120
- 9.8.12 Test Reports 121
- Chapter 10 126
- VPN Component Configuration 126
- Profile dropdown 130
- System Tray Icon 132
- 10.3 Connection Dialog 134
- 10.4 Status Dialog 136
- 10.5 Message Dialog 138
- 10.6.3 Advanced 141
- 10.6.4 Connection Entries Tab 143
- 10.6.6 X509 Authentication 144
- 10.6.8 Advanced Settings Tab 145
- section: 146
- Authentication only) 148
- 10.7 Log Window 149
- Module row 150
- Status row 150
- Chapter 11 151
- Barracuda NG Access Monitor 151
- 11.2 Monitoring 152
- Property Description 153
- 11.2.3 Service Status 154
- 11.2.4 Communication Status 155
- 11.2.5 Connection Errors 155
- 11.2.7 Network Interfaces 158
- 802.1X Properties 159
- 11.2.9 EAP Tracer 160
- 11.3 Configuration 161
- 11.3.5 Offline Check 163
- 11.3.9 802.1X Settings 165
- EAP Tracer 166
- 11.4 Log Files 167
- Table 11–16 Log Files 168
- File Description 168
- Chapter 12 169
- Pre-Connector and Remote VPN 169
- 12.2.1 Creating a Connector 170
- 12.3 Remote VPN (rvpn) 171
- 12.4 Connection Procedure 172
- Chapter 13 174
- Example Configuration 174
- 174 Example Configuration 176
- 176 Example Configuration 178
- , probation and untrusted 182
- 182 Example Configuration 184
- Chapter 14 185
- 802.1X – Technical Guideline 185
- 14.2 Status Monitoring 186
- 14.2.4 Switch Web Interface 188
- 14.3 Authentication 190
- 14.3.2 Operational Sequence 191
- 14.3.6 Start up 191
- 14.3.7 Runtime 194
- 14.3.12 VLAN Assignment 197
- 14.3.13 DHCP 198
- 14.3.16 Shutdown 200
- 14.4 Addendum 201
- <radius> 206
- Chapter 15 207
- Appendix 207
- 206 Appendix 208
- 208 Appendix 210
- VPN Profile Registry Keys 211
- 210 Appendix 212
- 15.3 Profile Registry Keys 213
- 15.4 FAQs 213
- 212 Appendix 214
- Adapter Configuration 214
- 15.5 Configuration Parameters 215
- 15.6 Parameter Lists 219
- 15.7 Figures 221
- Chapter 15 Appendix 223
- Barracuda Networks 224
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