Snapgear 2.0.1 manuali

Snapgear 2.0.1 Manuale Utente (189 pagine)

Marchio: Snapgear | Categoria: Hardware | Dimensione: 2.11 MB |

Inglese

Indice

CyberGuard SG

1

Firewall VPN Appliance

1

User Manual

1

Contents

2

1. Introduction

5

Bridged mode

7

Secure by default

7

Document Conventions

8

Front panel LEDs

9

Rear panel

10

Internet link features

11

LAN link features

11

Enviromental features

11

Figure 1-3

12

Network link features

13

Environmental features

13

2. Getting Started

14

Figure 2-1

17

Figure 2-2

18

Figure 2-3

20

Figure 2-4

21

Cable modem

22

Analog modem

22

DSL modem

22

Direct connection

22

LAN with a DHCP server

24

LAN with no DHCP server

24

Figure 2-6

27

CyberGuard SG PCI Appliances

28

Figure 2-7

29

Figure 2-8

30

Figure 2-9

32

Figure 2-10

33

Figure 2-11

34

Figure 2-12

35

Appliance

36

3. Network Connections

37

Bridging

38

Internet

39

Internet Connection Methods

40

Direct Internet

41

Bridged Internet

42

COM/Modem

43

Figure 3-5

44

Dialin access

45

Direct DMZ

45

Bridged DMZ

45

Services on the DMZ Network

46

Load Balancing

47

Internet Failover

47

Figure 3-6

48

Figure 3-7

49

Additional routes

50

Route management

50

Figure 3-9

52

Dynamic DNS

53

Interface aliases

54

QoS Traffic Shaping

55

4. Dialin Setup

56

Dialin Setup

57

Dialin User Accounts

59

Account list

60

Figure 4-3

61

Remote User Configuration

62

Windows 2000/XP

64

Figure 4-7

65

Figure 4-8

65

Figure 4-9

66

Figure 4-10

66

5. DHCP Server

67

Figure 5-2

68

Figure 5-3

70

DHCP Proxy

71

6. Firewall

72

Administration services

73

Figure 6-2

74

SSL/HTTPS (Secure HTTP)

75

SSL Certificate Setup

76

Packet Filtering

77

Addresses

78

Service groups

79

Figure 6-6

80

Source NAT

82

1-to-1 NAT

83

User authentication

85

Figure 6-8

86

Browser setup

87

IP lists

88

Web lists

89

Content

90

Reports

91

Categories

91

ZoneAlarm

92

7. Intrusion Detection

93

The benefits of using an IDS

94

Figure 7-1

95

Advanced Intrusion Detection

97

Figure 7-2

98

Figure 7-3

99

8. Web Cache

102

Web Cache Setup

103

Network Shares

104

Create the network share

105

Figure 8-3

106

PPTP Client Setup

109

Figure 9-2

110

PPTP Server Setup

111

Figure 9-3

112

Figure 9-4

114

Figure 9-5

116

Figure 9-6

117

Windows 2000

118

Figure 9-9

119

Figure 9-10

119

Windows XP

120

IPSec Setup

122

Set up the Branch Office

122

Figure 9-13

123

Tunnel settings page

124

Local endpoint settings

127

Other options

129

Figure 9-16

130

Phase 1 settings

133

Phase 2 settings page

135

Enabling IPSec

136

Local endpoint settings page

138

Phase 1 settings page

138

Tunnel List

140

Figure 9-21

142

NAT Traversal Support

144

Dynamic DNS Support

144

Certificate Management

145

Creating certificates

146

Adding certificates

148

Figure 9-23

149

Adding a local certificate

150

Troubleshooting

151

Setting up a GRE tunnel

155

Figure 9-26

156

GRE over IPSec

157

Figure 9-28

158

Figure 9-29

159

L2TP VPN client

161

L2TP server

162

10. System

163

Locality

164

Figure 10-2

165

Administration

166

Diagnostic

166

Encrypted save/restore all

166

User settings

166

Diagnostics

167

Network tests

168

Advanced

169

Flash upgrade

170

Reset button

171

Technical Support

172

Appendix B – Terminology

174

Appendix C – System Log

181

Creating Custom Log Rules

183

Rate Limiting

186

Boot Log Messages

187

Practices and Precautions

188

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