ZyXEL Communications ZYWALL10 manuals

Zyxel communications ZYWALL10 User Manual (267 pages)

Brand: Zyxel-communications | Category: Hardware | Size: 2.83 MB |

English

Table of contents

ZyWALL 10

1

Copyright

2

(FCC) Interference Statement

3

ZyXEL Limited Warranty

7

Customer Support

8

Table of Contents

9

List of Figures

17

List of Tables

23

Part I:

29

Chapter 1

31

Getting to Know Your ZyWALL

31

Chapter 2

35

2.4 Turn On Your ZyWALL

38

Table 2-2 Main Menu Commands

39

2.5.1 Main Menu

40

Table 2-3 Main Menu Summary

41

2.5.3 SMT Menus at a Glance

42

2.7 General Setup

43

2.7.1 Dynamic DNS

44

2.8 WAN Setup

46

2.9 LAN Setup

47

2.9.1 LAN Port Filter Setup

48

Chapter 3

49

Internet Access

49

3.1.4 Private IP Addresses

50

3.1.5 RIP Setup

51

3.1.6 IP Multicast

51

3.1.7 IP Alias

52

3-6 Internet Access

54

3.2.1 IP Alias Setup

55

3.3 Internet Access Setup

56

Internet Access 3-9

57

3.3.2 PPTP Encapsulation

58

3.3.4 PPPoE Encapsulation

59

3.4 Basic Setup Complete

61

Part II:

62

Chapter 4

63

Remote Node Setup

63

4-2 Remote Node Setup

64

Table 4-1 Fields in Menu 11.1

64

4.1.2 PPPoE Encapsulation

65

4.1.3 PPTP Encapsulation

66

Remote Node Setup 4-5

67

4-8 Remote Node Setup

70

4.3 Remote Node Filter

71

4-10 Remote Node Setup

72

Chapter 5

73

IP Static Route Setup

73

5.1 IP Static Route Setup

74

IP Static Route Setup 5-3

75

Chapter 6

77

6.1.3 How NAT works

78

6.1.4 NAT Mapping Types

79

6.1.6 NAT Application

80

6.2 SMT Menus

81

6.2.2 Configuring NAT

83

6.3 NAT Server Sets

88

1026 entry

90

6.4 Examples

91

NAT 6-21

97

Part III:

98

Chapter 7

100

Filter Configuration

100

Filter Rule

102

Filter Set

102

7.2 Configuring a Filter Set

103

Filters 7-5

104

7.2.3 TCP/IP Filter Rule

106

7-8 Filters

107

Filters 7-9

108

7-10 Filters

109

7.2.4 Generic Filter Rule

110

7-12 Filters

111

7.3 Example Filter

112

7.4 Filter Types and NAT

114

7.5 Firewall

115

7.6.2 Remote Node Filters

116

Chapter 8

118

SNMP Configuration

118

8-2 SNMP

119

Chapter 9

120

1. System Information

122

2. Console Port Speed

122

9.2.1 System Information

123

9.3 Log and Trace

124

9.3.2 UNIX Syslog

125

2. Packet triggered

127

3. Filter log

127

4. PPP log

128

5. Firewall log

128

9.4 Diagnostic

129

9.4.1 WAN DHCP

130

Chapter 10

132

Maintenance

132

10.2 Backup Configuration

133

10.3 Restore Configuration

135

10.4 Upload Firmware

136

10.5 TFTP File Transfer

138

10.5.1 Example: TFTP Command

139

10.6 FTP File Transfer

140

Chapter 11

144

11.2 Call Control Support

145

11.2.2 Call History

146

11.3 Time and Date Setting

147

11.4 Remote Management Setup

150

11.5 Boot Commands

151

Chapter 12

154

12.3.2 System Timeout

155

Part IV:

156

Chapter 13

158

What is a Firewall?

158

13.3 Denial of Service

160

13.3.2 Types of DoS attacks

161

13.4 Stateful Inspection

163

13.4.3 TCP Security

165

13.4.4 UDP/ICMP Security

166

13.4.5 Upper Layer Protocols

166

13.5.1 Security In General

167

Chapter 14

170

14.1.1 View Firewall Log

171

14.1.2 Attack Types

171

Table 14-4 View Firewall Log

174

14.3.1 Packet Filtering:

175

14.3.2 Firewall

176

Chapter 15

178

15.2 Enabling the Firewall

180

15.3 E-mail

180

15.3.2 What are Logs?

181

Table 15-1 E-mail

182

15.3.3 SMTP Error Messages

183

15.3.4 Example E-mail Log

183

15.4 Attack Alert

184

15.4.2 Half-Open Sessions

185

Figure 15-6 Attack Alert

186

Table 15-3 Attack Alert

187

Chapter 16

190

Creating Custom Rules

190

16.2.2 Security Ramifications

191

16.3 Connection Direction

192

16.4 Rule Summary

193

Creating Custom Rules 16-5

194

16-6 Creating Custom Rules

195

16.5 Predefined Services

196

16-8 Creating Custom Rules

197

Creating Custom Rules 16-9

198

16-10 Creating Custom Rules

199

Creating Custom Rules 16-11

200

Creating Custom Rules 16-13

202

16.6 Timeout

203

Creating Custom Rules 16-15

204

Table 16-5 Timeout Menu

204

Chapter 17

206

Custom Ports

206

17-2 Custom Ports

207

Table 17-1 Custom Ports

207

17-4 Custom Ports

209

Chapter 18

210

18-2 Example Firewall Rules

211

Table 18-1 Log Screen

211

Chapter 19

212

Example Firewall Rules

212

Internet

223

Chapter 20

226

Content Filtering

226

20-2 Content Filtering

227

Figure 20-1 Categories Screen

227

20.2 Update List

228

20.3 Exempting Computers

229

20.4 Customizing

230

20.5 Keywords

231

20.6 Log Records

232

Part V:

233

Chapter 21

235

Troubleshooting

235

21-2 Troubleshooting

236

Troubleshooting 21-3

237

Appendix A

239

Appendix B

241

Call Connection

242

PPP Data Connection

242

Appendix C

243

Hardware Specifications

243

Appendix D

244

Important Safety Instructions

244

Appendix E

245

Firewall CLI Commands

245

H CLI Commands

246

CLI Commands I

247

J CLI Commands

248

CLI Commands K

249

Appendix F

250

Power Adapter Specifications

250

Glossary of Terms

252

Glossary of Terms O

253

P Glossary of Terms

254

Glossary of Terms Q

255

R Glossary of Terms

256

Glossary of Terms S

257

T Glossary of Terms

258

Glossary of Terms U

259

V Glossary of Terms

260

Glossary of Terms W

261

Index AA

265

BB Index

266

Index CC

267

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