ZyXEL 802.11g Manuel d'utilisateur Page 174
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Noté. / 5. Basé sur avis des utilisateurs
P-662H/HW-D Series User’s Guide
174 Chapter 10 Firewalls
Figure 93 Smurf Attack
10.4.2.1 ICMP Vulnerability
ICMP is an error-reporting protocol that works in concert with IP. The following ICMP types
trigger an alert:
10.4.2.2 Illegal Commands (NetBIOS and SMTP)
The only legal NetBIOS commands are the following - all others are illegal.
All SMTP commands are illegal except for those displayed in the following tables.
Table 61 ICMP Commands That Trigger Alerts
5 REDIRECT
13 TIMESTAMP_REQUEST
14 TIMESTAMP_REPLY
17 ADDRESS_MASK_REQUEST
18 ADDRESS_MASK_REPLY
Table 62 Legal NetBIOS Commands
MESSAGE:
REQUEST:
POSITIVE:
VE:
RETARGET:
KEEPALIVE:
Table 63 Legal SMTP Commands
AUTH DATA EHLO ETRN EXPN HELO HELP MAIL NOOP
QUIT RCPT RSET SAML SEND SOML TURN VRFY
- P-662H/HW-D Series 1
- Copyright 3
- Certifications 4
- Viewing Certifications 5
- Safety Warnings 6
- ZyXEL Limited Warranty 7
- Customer Support 8
- Customer Support 9 9
- 10 Customer Support 10
- Table of Contents 11
- Chapter 6 13
- Chapter 7 13
- Chapter 8 14
- Chapter 9 14
- Chapter 10 15
- Chapter 11 15
- Chapter 12 16
- Chapter 13 16
- Chapter 17 18
- 24 Table of Contents 24
- List of Figures 25
- 32 List of Figures 32
- List of Tables 33
- 38 List of Tables 38
- About This User's Guide 39
- Syntax Conventions 39
- Related Documentation 39
- User Guide Feedback 40
- Graphics Icons Key 40
- CHAPTER 1 41
- High Speed Internet Access 42
- Firewall 42
- Content Filtering 42
- 1.1.2.1 Internet Access 46
- 1.1.4 Front Panel LEDs 47
- CHAPTER 2 49
- Figure 6 Password Screen 50
- Figure 9 Select a Mode 51
- 2.3.1 Using the Reset Button 52
- 2.4.1 Navigation Panel 52
- 2.4.2 Status Screen 55
- Figure 11 Status Screen 56
- Table 4 Status Screen 56
- 2.4.3 Status: Any IP Table 58
- 2.4.4 Status: WLAN Status 58
- 2.4.6 Status: VPN Status 59
- Table 7 Status: VPN Status 60
- Figure 17 System General 62
- CHAPTER 3 65
- Figure 19 Wizard: Welcome 66
- 3.2.1 Automatic Detection 67
- 3.2.2 Manual Configuration 67
- CHAPTER 4 79
- Figure 37 Select a Mode 80
- Figure 38 Wizard: Welcome 81
- CHAPTER 5 85
- 5.1.2 Multiplexing 86
- 5.1.3 VPI and VCI 86
- 5.1.4 IP Address Assignment 87
- 5.1.6 NAT 87
- 5.2 Metric 88
- 5.3 Traffic Shaping 88
- 5.3.1 ATM Traffic Classes 89
- 5.5 Internet Connection 90
- Chapter 5 WAN Setup 91 91
- 92 Chapter 5 WAN Setup 92
- Chapter 5 WAN Setup 93 93
- 94 Chapter 5 WAN Setup 94
- 5.6.1 More Connections Edit 95
- 96 Chapter 5 WAN Setup 96
- Chapter 5 WAN Setup 97 97
- 98 Chapter 5 WAN Setup 98
- 5.7 Traffic Redirect 99
- 5.8 Configuring WAN Backup 100
- Chapter 5 WAN Setup 101 101
- Figure 50 WAN Backup Setup 101
- Table 27 WAN Backup Setup 101
- Check WAN IP Address 102
- Chapter 5 WAN Setup 103 103
- 104 Chapter 5 WAN Setup 104
- Chapter 5 WAN Setup 105 105
- 106 Chapter 5 WAN Setup 106
- Chapter 5 WAN Setup 107 107
- 108 Chapter 5 WAN Setup 108
- CHAPTER 6 109
- 6.1.2 DHCP Setup 110
- 6.1.3 DNS Server Address 110
- 6.2 LAN TCP/IP 111
- 6.2.2 RIP Setup 112
- 6.2.3 Multicast 113
- 6.2.4 Any IP 113
- 6.2.4.1 How Any IP Works 114
- 6.3 Configuring LAN IP 115
- 116 Chapter 6 LAN Setup 116
- Table 31 Advanced LAN Setup 116
- 6.4 DHCP Setup 117
- 6.5 LAN Client List 118
- 6.6 LAN IP Alias 119
- 120 Chapter 6 LAN Setup 120
- Figure 60 LAN IP Alias 120
- Table 34 LAN IP Alias 120
- Chapter 6 LAN Setup 121 121
- 122 Chapter 6 LAN Setup 122
- CHAPTER 7 123
- 7.2.1 SSID 124
- 7.2.2 MAC Address Filter 124
- 7.2.3 User Authentication 124
- 7.2.4 Encryption 125
- 126 Chapter 7 Wireless LAN 126
- Chapter 7 Wireless LAN 127 127
- 128 Chapter 7 Wireless LAN 128
- 7.5.1 No Security 129
- 7.5.2 WEP Encryption Screen 129
- 7.5.3 WPA(2)-PSK 130
- Chapter 7 Wireless LAN 131 131
- 132 Chapter 7 Wireless LAN 132
- Figure 66 Wireless: WPA(2) 132
- Chapter 7 Wireless LAN 133 133
- Table 41 Wireless: WPA(2) 133
- 134 Chapter 7 Wireless LAN 134
- Figure 67 Advanced 134
- 7.6 OTIST 135
- 7.6.1.1 AP 136
- 7.6.1.2 Wireless Client 137
- 7.6.2 Starting OTIST 138
- 7.6.3 Notes on OTIST 138
- 7.7 MAC Filter 139
- 140 Chapter 7 Wireless LAN 140
- Table 44 MAC Address Filter 140
- 7.8 WMM QoS 141
- 7.8.3 Services 142
- Chapter 7 Wireless LAN 143 143
- 7.9 QoS Screen 144
- Chapter 7 Wireless LAN 145 145
- Figure 76 Wireless LAN: QoS 145
- Table 47 Wireless LAN: QoS 145
- 146 Chapter 7 Wireless LAN 146
- Chapter 7 Wireless LAN 147 147
- 148 Chapter 7 Wireless LAN 148
- command 149
- 7.10.2 Multiple SSID Example 150
- CHAPTER 8 151
- 152 Chapter 8 DMZ 152
- Figure 79 DMZ 152
- Table 51 DMZ 152
- Chapter 8 DMZ 153 153
- Table 51 DMZ (continued) 153
- 154 Chapter 8 DMZ 154
- Chapter 8 DMZ 155 155
- 156 Chapter 8 DMZ 156
- CHAPTER 9 157
- 9.1.2 What NAT Does 158
- 9.1.3 How NAT Works 158
- 9.1.4 NAT Application 159
- 9.1.5 NAT Mapping Types 159
- 9.3 NAT General Setup 160
- 9.4 Port Forwarding 161
- 9.6 Address Mapping 165
- CHAPTER 10 169
- 170 Chapter 10 Firewalls 170
- 10.4 Denial of Service 171
- 10.4.2 Types of DoS Attacks 172
- Chapter 10 Firewalls 173 173
- Figure 92 SYN Flood 173
- 10.4.2.1 ICMP Vulnerability 174
- 10.5 Stateful Inspection 175
- 176 Chapter 10 Firewalls 176
- 10.5.3 TCP Security 177
- 10.5.4 UDP/ICMP Security 177
- 10.5.5 Upper Layer Protocols 178
- 10.6.1 Security In General 179
- 10.7.1 Packet Filtering: 180
- 10.7.2 Firewall 180
- CHAPTER 11 181
- 11.3 Rule Logic Overview 182
- 11.4 Connection Direction 183
- 11.4.1 LAN to WAN Rules 184
- 11.4.2 Alerts 184
- 11.6 Firewall Rules Summary 185
- Figure 96 Firewall Rules 186
- Table 65 Firewall Rules 186
- Address 189
- 11.6.2 Customized Services 190
- 11.7 Example Firewall Rule 191
- 10.0.0.15 on the LAN 194
- 11.8 Predefined Services 195
- 11.9 Anti-Probing 197
- 11.10 DoS Thresholds 198
- 11.10.2 Half-Open Sessions 199
- CHAPTER 12 203
- LABEL DESCRIPTION 207
- CHAPTER 13 211
- CHAPTER 14 215
- 14.2.2 Configuring Services 219
- 14.2.2.1 Available Services 220
- 14.3 User Account Setup 228
- 14.4 User Online Status 229
- 14.5.1 User Login 230
- 14.5.2 Administrator Login 231
- CHAPTER 15 233
- 15.1.4 VPN Applications 234
- 15.2 IPSec Architecture 235
- 15.3 Encapsulation 235
- 15.4 IPSec and NAT 236
- Table 86 VPN and NAT 237
- CHAPTER 16 239
- 16.3 My IP Address 240
- 16.4 Secure Gateway Address 241
- 16.5 VPN Setup Screen 241
- 242 Chapter 16 VPN Screens 242
- Figure 129 VPN Setup 242
- Table 88 VPN Setup 242
- 16.6 Keep Alive 243
- 244 Chapter 16 VPN Screens 244
- Table 89 VPN and NAT 244
- 16.8 Remote DNS Server 245
- 16.9 ID Type and Content 245
- 246 Chapter 16 VPN Screens 246
- 16.10 Pre-Shared Key 247
- 16.11 Editing VPN Policies 247
- 248 Chapter 16 VPN Screens 248
- Table 94 Edit VPN Policies 248
- Chapter 16 VPN Screens 249 249
- 250 Chapter 16 VPN Screens 250
- Chapter 16 VPN Screens 251 251
- 16.12 IKE Phases 252
- 16.12.1 Negotiation Mode 253
- 254 Chapter 16 VPN Screens 254
- Chapter 16 VPN Screens 255 255
- 256 Chapter 16 VPN Screens 256
- 16.14 Manual Key Setup 257
- 258 Chapter 16 VPN Screens 258
- Figure 135 VPN: Manual Key 258
- Table 96 VPN: Manual Key 258
- Chapter 16 VPN Screens 259 259
- 16.16 Viewing SA Monitor 260
- Chapter 16 VPN Screens 261 261
- Figure 136 VPN: SA Monitor 261
- Table 97 VPN: SA Monitor 261
- 262 Chapter 16 VPN Screens 262
- Chapter 16 VPN Screens 263 263
- 264 Chapter 16 VPN Screens 264
- CHAPTER 17 265
- 17.3 Configuration Summary 266
- 17.4 My Certificates 267
- 268 Chapter 17 Certificates 268
- 17.5 My Certificate Import 269
- 17.6 My Certificate Create 270
- Chapter 17 Certificates 271 271
- 17.7 My Certificate Details 272
- Chapter 17 Certificates 273 273
- 274 Chapter 17 Certificates 274
- 17.8 Trusted CAs 275
- 276 Chapter 17 Certificates 276
- Figure 145 Trusted CAs 276
- Table 105 Trusted CAs 276
- 17.9 Trusted CA Import 277
- 17.10 Trusted CA Details 278
- Chapter 17 Certificates 279 279
- 280 Chapter 17 Certificates 280
- Chapter 17 Certificates 281 281
- 282 Chapter 17 Certificates 282
- Chapter 17 Certificates 283 283
- 284 Chapter 17 Certificates 284
- Chapter 17 Certificates 285 285
- 17.15 Directory Servers 286
- Chapter 17 Certificates 287 287
- Table 111 Directory Servers 287
- 288 Chapter 17 Certificates 288
- CHAPTER 18 289
- 18.2.1 Static Route Edit 290
- Chapter 18 Static Route 291 291
- Table 114 Static Route Edit 291
- 292 Chapter 18 Static Route 292
- CHAPTER 19 293
- 19.5 Scheduler 294
- 19.7 Configuring Summary 297
- 19.8.1 Rule Configuration 300
- 19.9 Bandwidth Monitor 302
- CHAPTER 20 305
- Figure 163 Dynamic DNS 306
- Table 124 Dynamic DNS 306
- Device and the DDNS server 307
- CHAPTER 21 309
- 21.2 WWW 310
- 21.3 Telnet 311
- 21.4 Configuring Telnet 311
- 21.5 Configuring FTP 312
- 21.6 SNMP 313
- 21.6.1 Supported MIBs 314
- 21.6.2 SNMP Traps 315
- 21.6.3 Configuring SNMP 315
- 21.7 Configuring DNS 317
- 21.8 Configuring ICMP 317
- 21.9 TR-069 319
- Table 132 TR-069 Commands 320
- CHAPTER 22 321
- 22.2 UPnP and ZyXEL 322
- Table 133 Configuring UPnP 323
- Components selection box 324
- Figure 183 System Tray Icon 329
- Network 330
- CHAPTER 23 333
- 334 Chapter 23 System 334
- 23.2 Time Setting 335
- 336 Chapter 23 System 336
- Chapter 23 System 337 337
- 338 Chapter 23 System 338
- CHAPTER 24 339
- 340 Chapter 24 Logs 340
- Figure 190 View Log 340
- Table 136 View Log 340
- Chapter 24 Logs 341 341
- Figure 191 Log Settings 341
- Table 137 Log Settings 341
- 342 Chapter 24 Logs 342
- 24.4 SMTP Error Messages 343
- 344 Chapter 24 Logs 344
- CHAPTER 25 345
- 346 Chapter 25 Tools 346
- 25.2 Configuration Screen 347
- 25.2.2 Restore Configuration 348
- 25.3 Restart 349
- 350 Chapter 25 Tools 350
- CHAPTER 26 351
- 26.2 DSL Line Diagnostic 352
- CHAPTER 27 353
- 27.3 Problems with the WAN 354
- Figure 204 Pop-up Blocker 356
- Figure 206 Internet Options 357
- 27.4.1.2 JavaScripts 358
- 3 Scroll down to Scripting 359
- 27.4.1.3 Java Permissions 360
- 27.4.1.3.1 JAVA (Sun) 361
- APPENDIX A 365
- 366 Product Specifications 366
- Table 148 Firmware 366
- 368 Product Specifications 368
- APPENDIX B 369
- 370 Appendix B About ADSL 370
- APPENDIX C 371
- APPENDIX D 373
- Installing Components 374
- Configuring 375
- Windows 2000/NT/XP 376
- Macintosh OS 8/9 381
- Macintosh OS X 383
- Verifying Settings 384
- Using Configuration Files 386
- APPENDIX E 389
- Subnet Masks 391
- Subnetting 391
- Example: Two Subnets 392
- Example: Four Subnets 393
- Example Eight Subnets 394
- Table 160 Eight Subnets 395
- APPENDIX F 397
- 398 Appendix F Wireless LANs 398
- Appendix F Wireless LANs 399 399
- Fragmentation Threshold 400
- Preamble Type 401
- IEEE 802.11g Wireless LAN 401
- IEEE 802.1x 402
- Types of Authentication 403
- PEAP (Protected EAP) 404
- Dynamic WEP Key Exchange 404
- Encryption 405
- User Authentication 406
- Security Parameters Summary 407
- 408 Appendix F Wireless LANs 408
- APPENDIX G 409
- Figure 243 Login Screen 410
- APPENDIX H 419
- APPENDIX I 421
- APPENDIX J 425
- 426 Appendix J Boot Commands 426
- APPENDIX K 427
- FUNCTION COMMAND DESCRIPTION 432
- APPENDIX L 433
- NetBIOS Filter Configuration 434
- APPENDIX M 437
- Command Examples 460
- APPENDIX N 463
- ZyXEL Device With ISDN 464
- APPENDIX O 465
- Table 181 System Error Logs 466
- Table 183 TCP Reset Logs 467
- Table 185 ICMP Logs 468
- Table 186 CDR Logs 468
- Table 187 PPP Logs 468
- Table 188 UPnP Logs 469
- Table 190 Attack Logs 470
- Table 191 IPSec Logs 471
- Table 192 IKE Logs 471
- Table 193 PKI Logs 474
- Table 195 802.1X Logs 476
- Table 196 ACL Setting Notes 477
- Table 197 ICMP Notes 477
- Table 198 Syslog Logs 478
- Log Commands 479
- Log Command Example 480
- APPENDIX P 481
- IP Aliasing 482
- Gateways on the WAN Side 483
- 484 Appendix P Triangle Route 484
- Index 485 485
- 486 Index 486
- Index 487 487
- 488 Index 488
- Index 489 489
- 490 Index 490
- Index 491 491
- 492 Index 492
- Index 493 493
- 494 Index 494
- Index 495 495
- 496 Index 496
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