Zyxel-communications ADSL VoIP IAD with 802.11g Wireless 2602HW Series Manuale Utente Pagina 168
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Prestige 2602HW Series User’s Guide
168 Chapter 13 Firewalls
- Prestige 2602HW Series 1
- Copyright 3
- Federal Communications 4
- Commission (FCC) Interference 4
- Statement 4
- Safety Warnings 5
- ZyXEL Limited Warranty 6
- Customer Support 7
- 8 Customer Support 8
- Table of Contents 9
- Chapter 6 11
- Chapter 13 14
- Chapter 14 14
- Chapter 15 15
- Chapter 16 15
- Chapter 17 16
- Chapter 18 16
- Chapter 37 21
- Chapter 38 21
- 26 Table of Contents 26
- List of Figures 27
- 34 List of Figures 34
- List of Tables 35
- 40 List of Tables 40
- About This User's Guide 41
- Related Documentation 41
- User Guide Feedback 41
- Syntax Conventions 42
- Introduction to DSL 43
- Introduction to ADSL 44
- CHAPTER 1 45
- PSTN Lifeline 46
- Dynamic Jitter Buffer 46
- VoIP Standards Compliance 46
- IEEE 802.11g Wireless LAN 49
- External Antenna 49
- WEP Encryption 49
- Wi-Fi Protected Access 49
- ADSL Standards 51
- Protocol Support 51
- IP Alias 51
- 1.4.1 Internet Access 53
- 1.4.4 LAN to LAN Application 55
- LED descriptions 56
- CHAPTER 2 57
- 2.1.2 Resetting the Prestige 58
- CHAPTER 3 63
- 3.1.2 Multiplexing 64
- 3.1.3 VPI and VCI 64
- Chapter 3 Wizard Setup 65 65
- 3.2.1 IP Address Assignment 66
- 3.2.3 NAT 67
- 68 Chapter 3 Wizard Setup 68
- Chapter 3 Wizard Setup 69 69
- 70 Chapter 3 Wizard Setup 70
- 3.2.5 SIP Identities 71
- 72 Chapter 3 Wizard Setup 72
- 3.2.7 DHCP Setup 73
- 74 Chapter 3 Wizard Setup 74
- Chapter 3 Wizard Setup 75 75
- 76 Chapter 3 Wizard Setup 76
- CHAPTER 4 77
- 78 Chapter 4 Password Setup 78
- CHAPTER 5 79
- 5.2 DNS Server Address 80
- 5.4 LAN TCP/IP 81
- 5.5 Any IP 82
- 5.5.1 How Any IP Works 83
- 5.6 Configuring LAN 84
- 5.7 Configuring Static DHCP 85
- 86 Chapter 5 LAN Setup 86
- Figure 21 LAN: Static DHCP 86
- Table 13 LAN: Static DHCP 86
- CHAPTER 6 87
- 6.1.4 RTS/CTS 88
- 6.2 Levels of Security 89
- 6.3 Data Encryption with WEP 90
- 6.4 Configuring Wireless LAN 90
- Figure 24 Wireless LAN 91
- Table 14 Wireless LAN 91
- 6.5 Configuring MAC Filter 92
- Table 15 MAC Address Filter 93
- 6.6 Network Authentication 94
- 6.7 Introduction to WPA 96
- LABEL DESCRIPTION 102
- 6.14 Configuring RADIUS 106
- Table 22 RADIUS 107
- CHAPTER 7 109
- 7.3 PPPoE Encapsulation 110
- 7.4 Traffic Shaping 110
- 7.6 Configuring WAN Setup 111
- 112 Chapter 7 WAN Setup 112
- Figure 36 WAN Setup (PPPoE) 112
- Table 23 WAN Setup 112
- Chapter 7 WAN Setup 113 113
- 7.7 Traffic Redirect 114
- 7.8 Configuring WAN Backup 115
- IP address here 116
- Check WAN IP Address 117
- 118 Chapter 7 WAN Setup 118
- CHAPTER 8 119
- 8.1.2 What NAT Does 120
- 8.1.3 How NAT Works 120
- 8.1.4 NAT Application 121
- 8.1.5 NAT Mapping Types 121
- Table 26 NAT Mapping Types 122
- 8.3 SUA Server 123
- 8.4 Selecting the NAT Mode 124
- 8.5 Configuring SUA Server 125
- CHAPTER 9 131
- 9.2.2 SIP Call Progression 132
- 9.2.3 SIP Servers 132
- 9.2.3.2 SIP Proxy Server 133
- 9.2.3.3 SIP Redirect Server 134
- 9.3 SIP ALG 135
- 9.4 Pulse Code Modulation 135
- 9.5 Voice Coding 136
- CHAPTER 10 137
- 138 Chapter 10 Voice Screens 138
- Table 33 SIP Settings 138
- Chapter 10 Voice Screens 139 139
- 10.4.1 Type Of Service (ToS) 140
- 10.5 QoS Configuration 141
- 10.6 Phone 142
- 10.7 Phone Configuration 143
- 10.8 Speed Dial 144
- Chapter 10 Voice Screens 145 145
- Figure 55 Speed Dial 145
- Table 37 Speed Dial 145
- 146 Chapter 10 Voice Screens 146
- Chapter 10 Voice Screens 147 147
- Figure 56 Lifeline 147
- Table 38 Lifeline 147
- 148 Chapter 10 Voice Screens 148
- Figure 57 Phone Port Common 148
- Table 39 Phone Port Common 148
- CHAPTER 11 149
- Figure 58 Dynamic DNS 150
- Table 40 Dynamic DNS 150
- CHAPTER 12 151
- 152 Chapter 12 Time and Date 152
- Figure 59 Time and Date 152
- Table 42 Time and Date 152
- Chapter 12 Time and Date 153 153
- 154 Chapter 12 Time and Date 154
- CHAPTER 13 155
- 156 Chapter 13 Firewalls 156
- 13.4 Denial of Service 157
- 13.4.2 Types of DoS Attacks 158
- Chapter 13 Firewalls 159 159
- Figure 62 SYN Flood 159
- 13.4.2.1 ICMP Vulnerability 160
- 13.5 Stateful Inspection 161
- 162 Chapter 13 Firewalls 162
- 13.5.3 TCP Security 163
- 13.5.4 UDP/ICMP Security 164
- 13.5.5 Upper Layer Protocols 164
- 13.6.1 Security In General 165
- 13.7.1 Packet Filtering: 166
- 13.7.2 Firewall 166
- Chapter 13 Firewalls 167 167
- 168 Chapter 13 Firewalls 168
- CHAPTER 14 169
- 14.3 Rule Logic Overview 170
- 14.3.3.1 Action 171
- 14.3.3.2 Service 171
- 14.3.3.3 Source Address 171
- 14.3.3.4 Destination Address 171
- 14.4.1 LAN to WAN Rules 172
- 14.4.2 WAN to LAN Rules 172
- 14.4.3 Alerts 173
- 14.6 Rule Summary 174
- Table 48 Rule Summary 175
- Address 178
- 14.7 Customized Services 179
- 14.9 Example Firewall Rule 180
- 14.10 Predefined Services 184
- 14.11 Anti-Probing 186
- 14.12 DOS Thresholds 187
- 14.12.1 Threshold Values 188
- 14.12.2 Half-Open Sessions 188
- CHAPTER 15 191
- CHAPTER 16 195
- 16.1.4 VPN Applications 196
- 16.2 IPSec Architecture 197
- 16.3 Encapsulation 197
- 16.4 IPSec and NAT 198
- Table 58 VPN and NAT 199
- CHAPTER 17 201
- 17.3 My IP Address 202
- 17.4 Secure Gateway Address 203
- 17.5 VPN Summary Screen 203
- 204 Chapter 17 VPN Screens 204
- Figure 86 VPN Summary 204
- Table 60 VPN Summary 204
- 17.6 Keep Alive 205
- 17.7 Remote DNS Server 205
- 17.8 NAT Traversal 206
- 17.9 ID Type and Content 207
- VPN tunnel 208
- 17.10 Pre-Shared Key 209
- 17.11 Editing VPN Policies 209
- 210 Chapter 17 VPN Screens 210
- Figure 89 VPN IKE 210
- Chapter 17 VPN Screens 211 211
- Table 65 VPN IKE 211
- 212 Chapter 17 VPN Screens 212
- Chapter 17 VPN Screens 213 213
- 17.12 IKE Phases 214
- Chapter 17 VPN Screens 215 215
- 17.12.1 Negotiation Mode 216
- Chapter 17 VPN Screens 217 217
- 218 Chapter 17 VPN Screens 218
- 17.14 Manual Key Setup 219
- 17.15 Configuring Manual Key 220
- Chapter 17 VPN Screens 221 221
- Table 67 VPN: Manual Key 221
- 222 Chapter 17 VPN Screens 222
- 17.16 Viewing SA Monitor 223
- 224 Chapter 17 VPN Screens 224
- Figure 93 VPN: SA Monitor 224
- Table 68 VPN: SA Monitor 224
- Chapter 17 VPN Screens 225 225
- 226 Chapter 17 VPN Screens 226
- Chapter 17 VPN Screens 227 227
- 228 Chapter 17 VPN Screens 228
- CHAPTER 18 229
- 18.2 Telnet 230
- 18.3 FTP 230
- 18.4 Web 231
- CHAPTER 19 233
- 19.2 UPnP and ZyXEL 234
- Table 73 Configuring UPnP 235
- Components selection box 236
- Figure 109 System Tray Icon 243
- Network 244
- CHAPTER 20 247
- 248 Chapter 20 Logs Screens 248
- Figure 114 Log Settings 248
- Chapter 20 Logs Screens 249 249
- Table 74 Log Settings 249
- 20.3 Displaying the Logs 250
- 20.4 SMTP Error Messages 250
- 20.4.1 Example E-mail Log 251
- 252 Chapter 20 Logs Screens 252
- CHAPTER 21 253
- 254 Chapter 21 Maintenance 254
- Figure 117 System Status 254
- Chapter 21 Maintenance 255 255
- Table 77 System Status 255
- 21.2.1 System Statistics 256
- 21.3 DHCP Table Screen 257
- 21.4 Any IP Table Screen 258
- 21.5 Wireless Screen 259
- 21.6 Diagnostic Screens 260
- 21.7 Firmware Screen 262
- Chapter 21 Maintenance 263 263
- Figure 126 Error Message 263
- 264 Chapter 21 Maintenance 264
- CHAPTER 22 265
- 22.2.2 Entering the Password 266
- 22.2.4 Entering Password 267
- Table 86 SMT Main Menu 268
- Table 87 Main Menu Summary 268
- 22.3.2 SMT Menus Overview 269
- 1234", and 271
- *” for each character 271
- CHAPTER 23 273
- CHAPTER 24 277
- Press ENTER to Confirm 279
- CHAPTER 25 281
- CHAPTER 26 285
- MAC address table 286
- CHAPTER 27 289
- 27.4 IP Alias Setup 290
- 27.5 Route IP Setup 291
- CHAPTER 28 295
- 28.4 Remote Node Filter 301
- 28.5.3 Advance Setup Options 303
- CHAPTER 29 305
- CHAPTER 30 309
- 310 Chapter 30 Bridging Setup 310
- 312 Chapter 30 Bridging Setup 312
- CHAPTER 31 313
- 31.3 NAT Setup 315
- Menu 15.1.255 is read-only 316
- 31.3.1.3 Ordering Your Rules 318
- 31.5 General NAT Examples 321
- Figure 174 NAT Example 2 322
- Figure 176 NAT Example 3 324
- Figure 181 NAT Example 4 326
- CHAPTER 32 329
- CHAPTER 33 331
- Filter Rule 332
- Filter Set 332
- Len Length 335
- 33.4.1 TCP/IP Filter Rule 336
- 33.4.2 Generic Filter Rule 338
- Length= 0 339
- 33.5 Filter Types and NAT 340
- 33.6 Example Filter 340
- Table 113 Filter Sets Table 342
- 33.7.1 Ethernet Traffic 343
- 33.7.2 Remote Node Filters 343
- CHAPTER 34 345
- 34.2 Supported MIBs 346
- 34.3 SNMP Configuration 346
- 34.4 SNMP Traps 347
- CHAPTER 35 349
- 35.1.3 IEEE802.1x 351
- CHAPTER 36 355
- 36.3 System Information 357
- 36.3.2 Console Port Speed 358
- 36.4 Log and Trace 359
- 36.4.2 Syslog and Accounting 360
- Figure 217 Syslog Example 361
- 36.5 Diagnostic 362
- CHAPTER 37 365
- 37.2 Backup Configuration 366
- 37.2.4 GUI-based FTP Clients 368
- 37.2.7 TFTP Command Example 369
- 37.3 Restore Configuration 371
- 37.4.1 Firmware File Upload 374
- 37.4.5 TFTP File Upload 376
- CHAPTER 38 381
- 38.2 Call Control Support 382
- 38.3 Time and Date Setting 383
- 38.3.1 Resetting the Time 384
- CHAPTER 39 387
- 39.4 System Timeout 389
- CHAPTER 40 391
- 40.4 IP Routing Policy Setup 392
- 40.5 Applying an IP Policy 395
- (192.168.1.100) 398
- CHAPTER 41 399
- CHAPTER 42 403
- 42.2 IPSec Summary Screen 404
- 42.3 IPSec Setup 406
- Menu 27.1.1 IPSec Setup 407
- 42.4 IKE Setup 410
- 42.5 Manual Setup 412
- CHAPTER 43 415
- 416 Chapter 43 SA Monitor 416
- Chapter 43 SA Monitor 417 417
- 418 Chapter 43 SA Monitor 418
- CHAPTER 44 419
- 44.10 Telephone Problems 423
- APPENDIX A 425
- APPENDIX B 429
- Installing Components 430
- Configuring 431
- Windows 2000/NT/XP 432
- Verifying Settings 436
- Macintosh OS 8/9 437
- Macintosh OS X 438
- APPENDIX C 441
- Subnet Masks 442
- Subnetting 442
- Example: Two Subnets 443
- Table 155 Subnet 1 444
- Table 156 Subnet 2 444
- Example: Four Subnets 445
- Example Eight Subnets 446
- APPENDIX D 449
- How PPPoE Works 450
- Prestige as a PPPoE Client 450
- APPENDIX E 451
- APPENDIX F 455
- APPENDIX G 457
- IEEE802.1x 458
- APPENDIX H 459
- IP Aliasing 460
- Gateways on the WAN Side 461
- APPENDIX I 463
- Command Examples 486
- APPENDIX J 489
- APPENDIX K 491
- APPENDIX L 493
- APPENDIX M 495
- Table 178 System Error Logs 496
- Table 180 TCP Reset Logs 497
- Table 182 ICMP Logs 497
- Table 183 CDR Logs 498
- Table 184 PPP Logs 498
- Table 185 UPnP Logs 499
- Table 187 Attack Logs 499
- Table 188 802.1X Logs 500
- Table 189 ACL Setting Notes 501
- Table 190 ICMP Notes 501
- Table 191 Syslog Logs 502
- Table 192 SIP Logs 502
- Log Commands 504
- Displaying Logs 505
- Log Command Example 506
- Numerics 507
- 508 Index 508
- Index 509 509
- 510 Index 510
- Index 511 511
- 512 Index 512
- Index 513 513
- 514 Index 514
- Index 515 515
- 516 Index 516
- Index 517 517
- 518 Index 518
- Index 519 519
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