Zyxel-communications P-334 Manual do Utilizador Página 353
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Prestige 334 User’s Guide
Appendix G Brute-Force Password Guessing Protection 354
Appendix G
Brute-Force Password Guessing
Protection
The following describes the commands for enabling, disabling and configuring the brute-force
password guessing protection mechanism for the password.
Example
sys pwderrtm 5
This command sets the password protection to block all access attempts for five minutes after
the third time an incorrect password is entered.
Table 118 Brute-Force Password Guessing Protection Commands
COMMAND DESCRIPTION
sys pwderrtm This command displays the brute-force guessing password protection settings.
sys pwderrtm 0 This command turns off the password’s protection from brute-force guessing. The
brute-force password guessing protection is turned off by default.
sys pwderrtm N This command sets the password protection to block all access attempts for N (a
number from 1 to 60) minutes after the third time an incorrect password is entered.
- Prestige 334 1
- Copyright 2
- Federal Communications 3
- Commission (FCC) Interference 3
- Statement 3
- ZyXEL Limited Warranty 4
- 5 ZyXEL Limited Warranty 5
- Customer Support 6
- 7 Customer Support 7
- Table of Contents 9
- Chapter 15 14
- Chapter 30 18
- Chapter 31 18
- Appendix H 20
- Appendix I 20
- List of Figures 21
- 25 List of Figures 26
- List of Tables 27
- 29 List of Tables 30
- About This User's Guide 31
- Related Documentation 31
- User Guide Feedback 32
- Syntax Conventions 32
- Graphics Icons Key 32
- CHAPTER 1 33
- 1.2.2 Non-Physical Features 34
- 1.3.2 VPN Application 37
- Figure 2 VPN Application 38
- CHAPTER 2 39
- 2.3 Resetting the Prestige 40
- 2.3.3 Navigation Panel 41
- Table 1 Screens Summary 42
- CHAPTER 3 45
- 3.3 Wizard Setup: Screen 2 46
- Chapter 3 Wizard Setup 46 47
- 3.3.2 PPPoE Encapsulation 48
- 3.3.3 PPTP Encapsulation 49
- 49 Chapter 3 Wizard Setup 50
- 3.4 Wizard Setup: Screen 3 51
- 3.4.4 WAN MAC Address 52
- Chapter 3 Wizard Setup 52 53
- Table 7 Wizard 3: WAN Setup 53
- 3.5 Basic Setup Complete 54
- Chapter 3 Wizard Setup 54 55
- Figure 10 Wizard Finish 55
- 55 Chapter 3 Wizard Setup 56
- CHAPTER 4 57
- 57 Chapter 4 System Screens 58
- 4.3 Dynamic DNS 59
- 4.4 Configuring Dynamic DNS 59
- 59 Chapter 4 System Screens 60
- Figure 12 DDNS 60
- Table 9 DDNS 60
- 4.5 Configuring Password 61
- 4.6 Configuring Time Setting 61
- 61 Chapter 4 System Screens 62
- Figure 14 Time Setting 62
- Table 11 Time Setting 62
- Chapter 4 System Screens 62 63
- 63 Chapter 4 System Screens 64
- CHAPTER 5 65
- 5.3.3 RIP Setup 66
- 5.3.4 Multicast 66
- 5.4 Configuring IP 67
- 67 Chapter 5 LAN Screens 68
- Figure 15 LAN IP 68
- Table 12 LAN IP 68
- Chapter 5 LAN Screens 68 69
- 5.5 Configuring Static DHCP 70
- 5.6 Configuring IP Alias 71
- 71 Chapter 5 LAN Screens 72
- Figure 17 IP Alias 72
- Table 14 IP Alias 72
- CHAPTER 6 73
- 6.4 Configuring WAN ISP 74
- 6.4.2 PPPoE Encapsulation 75
- 75 Chapter 6 WAN Screens 76
- Chapter 6 WAN Screens 76 77
- 6.4.3 PPTP Encapsulation 78
- 6.5 Configuring WAN IP 79
- 79 Chapter 6 WAN Screens 80
- Figure 22 WAN: IP 80
- Table 19 WAN: IP 80
- Chapter 6 WAN Screens 80 81
- 6.6 Configuring WAN MAC 82
- 6.7 Traffic Redirect 83
- 83 Chapter 6 WAN Screens 84
- Table 20 Traffic Redirect 84
- Chapter 6 WAN Screens 84 85
- 85 Chapter 6 WAN Screens 86
- CHAPTER 7 87
- 7.1.2 What NAT Does 88
- 7.1.3 How NAT Works 88
- 7.1.4 NAT Application 89
- 7.1.5 NAT Mapping Types 90
- 7.2 Using NAT 91
- 7.3 SUA Server 91
- 7.4 Configuring SUA Server 94
- Figure 30 SUA/NAT Setup 95
- Table 24 SUA/NAT Setup 95
- Figure 31 Address Mapping 96
- Table 25 Address Mapping 96
- 7.6 Trigger Port Forwarding 99
- Prestige 334 User’s Guide 100
- Figure 34 Trigger Port 100
- Table 27 Trigger Port 100
- CHAPTER 8 103
- Figure 36 Static Route 104
- Table 28 Static Route 104
- Table 29 Static Route: Edit 105
- CHAPTER 9 107
- 9.2 UPnP and ZyXEL 108
- 9.3 Configuring UPnP 108
- Chapter 9 UPnP 108 109
- Figure 38 Configuring UPnP 109
- Table 30 Configuring UPnP 109
- 109 Chapter 9 UPnP 110
- Chapter 9 UPnP 110 111
- 111 Chapter 9 UPnP 112
- Chapter 9 UPnP 112 113
- 113 Chapter 9 UPnP 114
- Chapter 9 UPnP 114 115
- 115 Chapter 9 UPnP 116
- CHAPTER 10 117
- Figure 39 Service Settings 118
- Table 31 Service Settings 118
- 10.3 Virus Protection 119
- Figure 40 Virus Protection 120
- Table 32 Virus Protection 120
- 10.5 Parental Controls 121
- Figure 42 Parental Controls 123
- Table 33 Parental Controls 123
- CHAPTER 11 127
- 127 Chapter 11 Firewall 128
- Chapter 11 Firewall 128 129
- Table 35 Firewall: Settings 129
- 11.3.1 LAN-to-WAN rules 130
- 11.3.2 WAN-to-LAN rules 130
- 11.4 Services 131
- 131 Chapter 11 Firewall 132
- Figure 46 Firewall: Service 132
- Table 36 Firewall: Service 132
- Chapter 11 Firewall 132 133
- 133 Chapter 11 Firewall 134
- CHAPTER 12 135
- Figure 47 Content Filter 136
- Table 37 Content Filter 136
- CHAPTER 13 139
- 13.2 Configuring WWW 140
- 13.3 Configuring Telnet 141
- 13.4 Configuring TELNET 142
- 13.5 Configuring FTP 143
- 13.6 SNMP 144
- 13.6.1 Supported MIBs 145
- 13.6.2 SNMP Traps 145
- 13.6.3 Configuring SNMP 145
- 13.7 Configuring DNS 147
- 13.8 Configuring Security 148
- Table 44 Security 149
- CHAPTER 14 151
- 14.2 IPSec Architecture 152
- 14.3 Encapsulation 153
- 14.4 IPSec and NAT 154
- Table 45 VPN and NAT 155
- CHAPTER 15 157
- 15.3 My IP Address 158
- 15.4 Secure Gateway Address 158
- 15.5 Summary Screen 159
- 159 Chapter 15 VPN Screens 160
- Figure 60 VPN: Summary 160
- Table 47 VPN: Summary 160
- 15.6 Keep Alive 161
- 15.7 NAT Traversal 161
- 15.7.2 Remote DNS Server 162
- 15.8 ID Type and Content 163
- 15.9 Pre-Shared Key 164
- 15.10 Editing VPN Rules 165
- 165 Chapter 15 VPN Screens 166
- Chapter 15 VPN Screens 166 167
- 15.11 IKE Phases 168
- 15.11.1 Negotiation Mode 169
- 169 Chapter 15 VPN Screens 170
- Chapter 15 VPN Screens 170 171
- Figure 66 VPN IKE: Advanced 171
- 171 Chapter 15 VPN Screens 172
- Table 52 VPN IKE: Advanced 172
- Chapter 15 VPN Screens 172 173
- 173 Chapter 15 VPN Screens 174
- 15.13 Manual Key Setup 175
- 15.14 Configuring Manual Key 176
- Chapter 15 VPN Screens 176 177
- Figure 67 Setup: Manual 177
- Table 53 Rule Setup: Manual 177
- 177 Chapter 15 VPN Screens 178
- 15.15 Viewing SA Monitor 179
- 179 Chapter 15 VPN Screens 180
- Figure 68 SA Monitor 180
- Table 54 SA Monitor 180
- Chapter 15 VPN Screens 180 181
- 181 Chapter 15 VPN Screens 182
- Chapter 15 VPN Screens 182 183
- 183 Chapter 15 VPN Screens 184
- CHAPTER 16 185
- Figure 72 View Logs 186
- Table 57 View Logs 186
- 16.2 Log Settings 187
- Figure 73 Log Settings 188
- Table 58 Log Settings 188
- CHAPTER 17 191
- 191 Chapter 17 Maintenance 192
- Table 59 Maintenance Status 192
- 17.3 DHCP Table Screen 193
- 17.4 F/W Upload Screen 194
- Chapter 17 Maintenance 194 195
- 195 Chapter 17 Maintenance 196
- Figure 78 Upgrade Tool 196
- Figure 79 Upload Warning 196
- 17.5 Configuration Screen 197
- 197 Chapter 17 Maintenance 198
- 17.6 Restart Screen 199
- 199 Chapter 17 Maintenance 200
- Figure 86 System Restart 200
- CHAPTER 18 201
- Prestige 202
- Table 63 Main Menu Commands 203
- Figure 89 SMT Main Menu 204
- Table 64 Main Menu Summary 204
- CHAPTER 19 207
- CHAPTER 20 211
- CHAPTER 21 213
- 21.3.1 IP Alias Setup 216
- CHAPTER 22 219
- 22.5 Basic Setup Complete 223
- CHAPTER 23 225
- 23.2.2 PPPoE Encapsulation 227
- 23.2.3 PPTP Encapsulation 228
- 23.3 Edit IP 229
- 23.4 Remote Node Filter 231
- CHAPTER 24 235
- CHAPTER 25 237
- 25.3 NAT Setup 239
- 25.3.1 Address Mapping Sets 240
- 25.3.1.2 Ordering Your Rules 242
- 25.5 General NAT Examples 245
- Figure 120 NAT Example 1 246
- Figure 122 NAT Example 2 247
- Figure 124 NAT Example 3 248
- Figure 129 NAT Example 4 252
- CHAPTER 26 255
- CHAPTER 27 257
- Table 87 TCP/IP Filter Rule 262
- 27.3 Example Filter 266
- 27.4 Filter Types and NAT 268
- 27.5 Firewall Versus Filters 269
- 27.6 Applying a Filter 269
- CHAPTER 28 271
- 28.2 Supported MIBs 272
- 28.3 SNMP Configuration 272
- 28.4 SNMP Traps 273
- Table 90 SNMP Traps 274
- CHAPTER 29 275
- 29.2 System Information 277
- 29.2.2 Console Port Speed 278
- 29.3 Log and Trace 279
- 29.3.1.1 CDR 280
- 29.3.1.2 Packet triggered 280
- 29.3.1.3 Filter log 281
- 29.3.1.4 PPP log 281
- 29.3.1.5 Firewall log 282
- 29.4 Diagnostic 283
- 29.4.1 WAN DHCP 284
- CHAPTER 30 287
- 30.2 Backup Configuration 288
- 30.2.4 GUI-based FTP Clients 290
- 30.2.7 TFTP Command Example 291
- 30.3 Restore Configuration 292
- 30.4.1 Firmware File Upload 294
- 30.4.5 TFTP File Upload 296
- CHAPTER 31 299
- 31.2 Call Control Support 300
- 31.2.2 Call History 301
- 31.3 Time and Date Setting 302
- 31.3.1 Resetting the Time 305
- CHAPTER 32 307
- Web service 308
- CHAPTER 33 311
- CHAPTER 34 315
- 34.2 IPSec Summary Screen 316
- 34.3 IKE Setup 322
- 34.4 Manual Setup 324
- 34.4.0.1 Active Protocol 325
- CHAPTER 35 327
- 327 Chapter 35 SA Monitor 328
- Appendix A 329
- Troubleshooting 329
- Table 110 Troubleshooting 330
- Appendix B 331
- How PPPoE Works 332
- Prestige as a PPPoE Client 332
- Appendix C 333
- PPTP Protocol Overview 334
- Control & PPP Connections 334
- PPP Data Connection 335
- 337 Appendix C PPTP 336
- Appendix D 337
- NetBIOS Filter Commands 337
- NetBIOS Filter Configuration 338
- Appendix E 339
- Log Descriptions 339
- Table 116 UPnP Logs 340
- Appendix F 341
- Installing Components 342
- Configuring 343
- Windows 2000/NT/XP 344
- Verifying Settings 348
- Macintosh OS 8/9 349
- Macintosh OS X 350
- Appendix G 353
- Brute-Force Password Guessing 353
- Protection 353
- 357 Appendix H TMSS 356
- Appendix H TMSS 358 357
- 359 Appendix H TMSS 358
- Triangle Route 359
- IP Aliasing 360
- Gateways on the WAN Side 361
- 363 Appendix I Triangle Route 362
- Index 364 363
- 365 Index 364
- Index 366 365
- 367 Index 366
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