Zyxel-communications ZYWALL10 Uživatelský manuál stáhnout pdf (Strana 6)

ZyWALL 10 Internet Security Gateway

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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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