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P-2802H(W)(L)-I Series User’s Guide
175
CHAPTER 12
Content Filtering
This chapter covers how to configure content filtering.
12.1 Content Filtering Overview
Internet content filtering allows you to create and enforce Internet access policies tailored to
your needs. Content filtering gives you the ability to block web sites that contain key words
(that you specify) in the URL. You can set a schedule for when the ZyXEL Device performs
content filtering. You can also specify trusted IP addresses on the LAN for which the ZyXEL
Device will not perform content filtering.
12.2 Configuring Keyword Blocking
Use this screen to block sites containing certain keywords in the URL. For example, if you
enable the keyword "bad", the ZyXEL Device blocks all sites containing this keyword
including the URL http://www.website.com/bad.html, even if it is not included in the Filter
List.
To have your ZyXEL Device block Web sites containing keywords in their URLs, click
Security > Content Filter. The screen appears as shown.
Figure 100 Content Filter: Keyword
- P-2802H(W)(L)-I Series 1
- About This User's Guide 3
- Document Conventions 4
- Icons Used in Figures 5
- Safety Warnings 6
- Safety Warnings 7
- Contents Overview 10
- Table of Contents 11
- Chapter 8 13
- Chapter 9 13
- Chapter 10 14
- Chapter 14 16
- Chapter 15 16
- List of Figures 21
- List of Tables 27
- Introduction 33
- CHAPTER 1 35
- 1.5 LEDs 40
- 1.6 The RESET Button 41
- CHAPTER 2 43
- Figure 6 Password Screen 44
- 2.2.1 Title Bar 46
- 2.2.2 Navigation Panel 47
- 2.2.3 Main Window 49
- 2.2.4 Status Bar 49
- VoIP Wizard And Example (65) 51
- CHAPTER 3 53
- Figure 11 Select a Mode 54
- Figure 12 Wizard Welcome 54
- Network > WAN screen 55
- Figure 16 Connection Test 58
- Figure 20 Wireless LAN 60
- CHAPTER 4 65
- Figure 26 Select a Mode 66
- Figure 27 Wizard: Welcome 66
- Figure 30 VoIP Wizard Fail 68
- PART III 71
- CHAPTER 5 73
- Chapter 5 Status Screens 74
- Table 15 Status Screen 74
- Chapter 5 Status Screens 75
- 5.2 Any IP Table 76
- 5.4 Packet Statistics 77
- Figure 35 Packet Statistics 78
- Table 18 Packet Statistics 78
- 5.5 VoIP Statistics 79
- Table 19 VoIP Statistics 80
- CHAPTER 6 83
- 6.2 Internet Access Setup 84
- Chapter 6 WAN Setup 85
- Chapter 6 WAN Setup 86
- 6.3 WAN Interface Setup 87
- CHAPTER 7 89
- 7.2 DNS Server Addresses 90
- 7.3 LAN TCP/IP 90
- Chapter 7 LAN Setup 91
- 7.3.2 RIP Setup 92
- 7.3.3 Multicast 92
- 7.3.4 Any IP 93
- 7.4 Configuring LAN IP 94
- Table 23 LAN IP (continued) 95
- Table 24 Advanced LAN Setup 95
- 7.5 DHCP Setup 96
- 7.6 LAN Client List 97
- Figure 45 LAN Client List 98
- Table 26 LAN Client List 98
- 7.7 LAN IP Alias 99
- Chapter 7 LAN Setup 100
- Figure 47 LAN IP Alias 100
- Table 27 LAN IP Alias 100
- CHAPTER 8 101
- 8.2.1 SSID 102
- 8.2.2 MAC Address Filter 102
- 8.2.3 User Authentication 102
- 8.2.4 Encryption 103
- 8.4 General WLAN Screen 104
- 8.4.1 No Security 105
- 8.4.2 WEP Encryption Screen 106
- 8.4.3 WPA(2)-PSK 107
- Chapter 8 Wireless LAN 108
- Chapter 8 Wireless LAN 109
- Figure 53 Wireless: WPA(2) 109
- Table 34 Wireless: WPA(2) 109
- 8.5 OTIST Screen 111
- 8.5.1 Notes on OTIST 113
- 8.6 MAC Filter 114
- Table 37 MAC Address Filter 115
- CHAPTER 9 117
- 9.1.2 What NAT Does 118
- 9.1.3 How NAT Works 118
- 9.1.4 NAT Application 118
- 9.1.5 NAT Mapping Types 119
- 9.3 NAT General Setup 120
- 9.4 Port Forwarding 121
- Figure 66 Port Forwarding 123
- Table 41 Port Forwarding 124
- 9.6 Address Mapping 125
- 9.6.2 SIP ALG 128
- CHAPTER 10 129
- 10.2.2 SIP Call Progression 130
- 10.2.3 SIP Servers 130
- Chapter 10 Voice 131
- Figure 71 SIP User Agent 131
- Figure 72 SIP Proxy Server 131
- 10.2.4 RTP 132
- 10.2.5 Pulse Code Modulation 132
- 10.2.6 Voice Coding 132
- 10.2.9 Custom Tones (IVR) 133
- 10.3.1 Type of Service (ToS) 134
- 10.3.2 DiffServ 134
- 10.4 SIP Settings Screen 135
- Chapter 10 Voice 136
- 10.6 SIP QoS Screen 141
- 10.7 Phone 141
- 10.8 Analog Phone Screen 142
- > Phone > Common 144
- 10.11.1 The Flash Key 145
- 10.12 Phone Region Screen 148
- 10.13 Speed Dial 148
- CHAPTER 11 155
- Chapter 11 Firewalls 156
- Chapter 11 Firewalls 157
- Considerations 158
- 11.4 Triangle Route 158
- Figure 87 IP Alias 160
- Figure 88 Firewall: General 160
- 11.6 Firewall Rules Summary 161
- Figure 89 Firewall Rules 162
- Table 61 Firewall Rules 162
- 11.6.2 Customized Services 166
- 11.7 Example Firewall Rule 167
- 10.0.0.15 on the LAN 170
- 11.8 Firewall Thresholds 171
- 11.8.1 Threshold Values 172
- CHAPTER 12 175
- Chapter 12 Content Filtering 176
- Chapter 12 Content Filtering 177
- CHAPTER 13 179
- 13.2 IPSec Architecture 180
- 13.3 Encapsulation 181
- 13.4 IPSec and NAT 182
- Table 69 VPN and NAT 183
- CHAPTER 14 185
- 14.3 My IP Address 186
- 14.4 Secure Gateway Address 186
- 14.5 VPN Setup Screen 187
- Chapter 14 VPN Screens 188
- Figure 107 VPN Setup 188
- Table 71 VPN Setup 188
- 14.6 Keep Alive 189
- 14.8 Remote DNS Server 190
- 14.9 ID Type and Content 191
- VPN tunnel 192
- 14.10 Pre-Shared Key 193
- 14.11 Editing VPN Policies 193
- Figure 110 VPN Setup: Edit 194
- Table 77 VPN Setup; Edit 194
- Chapter 14 VPN Screens 195
- 14.12 IKE Phases 198
- 14.12.1 Negotiation Mode 199
- Table 78 Advanced VPN IKE 200
- 14.14 Manual Key Setup 202
- 14.16 Viewing SA Monitor 205
- Figure 114 VPN: SA Monitor 206
- Table 80 VPN: SA Monitor 206
- CHAPTER 15 211
- 15.3 Configuration Summary 212
- 15.4 My Certificates 212
- Chapter 15 Certificates 213
- Figure 119 My Certificates 213
- Table 84 My Certificates 213
- 15.5 My Certificate Import 214
- 15.6 My Certificate Create 216
- 15.7 My Certificate Details 218
- Chapter 15 Certificates 220
- 15.8 Trusted CAs 221
- Figure 123 Trusted CAs 222
- Table 88 Trusted CAs 222
- 15.9 Trusted CA Import 223
- 15.10 Trusted CA Details 224
- Table 90 Trusted CA Details 225
- 15.15 Directory Servers 232
- Table 94 Directory Servers 233
- CHAPTER 16 235
- 16.2.1 Static Route Edit 236
- Chapter 16 Static Route 237
- Table 97 Static Route Edit 237
- Chapter 16 Static Route 238
- CHAPTER 17 239
- 17.1.2 IP Precedence 240
- 17.1.3 DiffServ 240
- 17.3 Class Setup 242
- 17.3.1 Class Configuration 243
- 17.3.2 QoS Example 246
- Internet 246
- 17.4 QoS Monitor 248
- Table 103 QoS Monitor 249
- CHAPTER 18 251
- Chapter 18 Dynamic DNS Setup 252
- Figure 145 Dynamic DNS 252
- Table 104 Dynamic DNS 252
- Device and the DDNS server 253
- CHAPTER 19 255
- 19.1.3 System Timeout 256
- 19.2 WWW (HTTP and HTTPS) 257
- 19.3 WWW 258
- 19.4 HTTPS Example 259
- 19.4.4 Login Screen 261
- 19.5 Telnet 263
- 19.6 Configuring Telnet 263
- 19.7 Configuring FTP 264
- 19.8 SNMP 265
- 19.8.1 Supported MIBs 266
- 19.8.2 SNMP Traps 267
- 19.8.3 Configuring SNMP 267
- 19.9 Configuring DNS 268
- 19.10 Configuring ICMP 269
- CHAPTER 20 271
- 20.2 UPnP and ZyXEL 272
- Table 112 Configuring UPnP 273
- Figure 172 System Tray Icon 279
- Network 280
- Maintenance 283
- Troubleshooting 283
- CHAPTER 21 285
- Chapter 21 System 286
- 21.2 Time Setting 287
- CHAPTER 22 289
- Chapter 22 Logs 290
- Figure 179 View Log 290
- Table 115 View Log 290
- Chapter 22 Logs 291
- Figure 180 Log Settings 291
- Table 116 Log Settings 291
- 22.4 SMTP Error Messages 292
- 22.4.1 Example E-mail Log 293
- 22.5 Log Descriptions 294
- Table 119 System Error Logs 295
- Table 121 TCP Reset Logs 295
- Table 129 802.1X Logs 298
- Table 130 ACL Setting Notes 299
- Table 131 ICMP Notes 299
- Table 132 Syslog Logs 300
- Table 133 SIP Logs 300
- CHAPTER 23 303
- Chapter 23 Tools 304
- Chapter 23 Tools 305
- Figure 182 Firmware Upgrade 305
- Table 140 Firmware Upgrade 305
- 23.5 Backup and Restore 306
- 23.5.1 Backup Configuration 307
- 23.6 Restart 309
- DAMAGE your device 312
- 23.9.3 TFTP File Upload 313
- CHAPTER 24 315
- Chapter 24 Diagnostic 316
- CHAPTER 25 317
- V I forgot the password 318
- FTP to upload new firmware 319
- 25.3 Internet Access 320
- 25.4 Phone Calls and VoIP 321
- 25.5.1 Outgoing Calls 322
- 25.5.2 Incoming Calls 323
- Chapter 25 Troubleshooting 324
- CHAPTER 26 325
- Voice Specifications 329
- Table 148 Voice Features 330
- Wireless Features 331
- Standards Supported 332
- Power Adaptor Specifications 333
- Appendices and 335
- APPENDIX A 337
- Installing Components 338
- Configuring 339
- Windows 2000/NT/XP 340
- Macintosh OS 8/9 344
- Macintosh OS X 346
- Verifying Settings 347
- APPENDIX B 349
- JavaScripts 352
- Java Permissions 353
- JAVA (Sun) 354
- APPENDIX C 355
- Subnet Masks 356
- Notation 357
- Subnetting 358
- Example: Four Subnets 359
- Example: Eight Subnets 360
- Subnet Planning 361
- Configuring IP Addresses 362
- APPENDIX D 363
- Appendix D Wireless LANs 364
- Appendix D Wireless LANs 365
- Fragmentation Threshold 366
- Preamble Type 367
- IEEE 802.1x 367
- Types of RADIUS Messages 368
- Types of Authentication 369
- PEAP (Protected EAP) 370
- Dynamic WEP Key Exchange 370
- User Authentication 370
- Security Parameters Summary 371
- APPENDIX E 373
- Appendix E Services 374
- Appendix E Services 375
- APPENDIX F 377
- Appendix F Internal SPTGEN 380
- Table 170 Menu 3 380
- Appendix F Internal SPTGEN 381
- Table 172 Menu 12 385
- Command Examples 400
- APPENDIX G 401
- ZyXEL Limited Warranty 403
- Appendix G Legal Information 404
- APPENDIX H 405
- Appendix H Customer Support 406
- Appendix H Customer Support 407
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