Manuali utente per ZyXEL g-2000 plusv2

ZyXEL

Guida Utente (English)Guida Specifiche (English)Nota Di Rilascio (English)

Guida Utente

Sommario

User’s Guide
1
Copyright
3
Certifications
4
Safety Warnings
6
ZyXEL Limited Warranty
7
Customer Support
8
Table of Contents
11
List of Figures
25
List of Tables
31
Preface
35
Getting to Know Your Device
37
- 1.1 Introducing the ZyXEL G-2000 Plus v2
  37
- 1.2 Features
  37
  - 1.2.1 Physical Features
    37
  - 1.2.2 Firmware Features
    38
- 1.3 Applications for the ZyXEL device
  43
  - 1.3.1 Internet Access and Wireless Network
    43
  - 1.3.2 Firewall for Secure Broadband Internet Access
    44
Introducing the Web Configurator
45
- 2.1 Web Configurator Overview
  45
- 2.2 Accessing the ZyXEL device Web Configurator
  45
- 2.3 Resetting the ZyXEL device
  47
  - 2.3.1 .Procedure To Use The Reset Button
    47
  - 2.3.2 Method of Restoring Factory-Defaults Via Web Configurator
    47
- 2.4 Navigating the ZyXEL device Web Configurator
  47
Wizard Setup
51
- 3.1 Wizard Setup Overview
  51
- 3.2 General Setup
  51
- 3.3 Wizard Setup Wireless LAN
  52
- 3.4 Wizard Setup WAN
  56
- 3.5 Wizard Setup WAN IP
  61
- 3.6 Basic Setup Complete
  64
System Screens
67
- 4.1 System Overview
  67
- 4.2 Configuring General Setup
  67
- 4.3 Dynamic DNS
  68
  - 4.3.1 DynDNS Wildcard
    68
- 4.4 Configuring Dynamic DNS
  69
- 4.5 Configuring Password
  70
- 4.6 Configuring Time Setting
  71
LAN Screens
73
- 5.1 LAN Overview
  73
- 5.2 DHCP Setup
  73
  - 5.2.1 IP Pool Setup
    73
  - 5.2.2 System DNS Servers
    73
- 5.3 LAN TCP/IP
  73
- 5.4 Configuring IP
  75
- 5.5 Configuring Static DHCP
  78
- 5.6 Configuring IP Alias
  79
Wireless LAN
81
- 6.1 Wireless Network Overview
  81
- 6.2 Wireless Security Overview
  82
  - 6.2.1 SSID
    82
  - 6.2.2 MAC Address Filter
    82
  - 6.2.3 User Authentication
    82
  - 6.2.4 Encryption
    83
- 6.3 Additional Wireless Terms
  84
- 6.4 Configuring Wireless
  84
- 6.5 Wireless Security - No Security
  86
- 6.6 Configuring WEP Encryption
  87
- 6.7 Configuring WPA(2)-PSK Authentication
  89
- 6.8 Configuring WPA(2) Authentication
  91
- 6.9 Configuring RADIUS
  93
- 6.10 Configuring 802.1x
  95
- 6.11 MAC Filter
  97
- 6.12 Configuring Roaming
  99
WAN
101
- 7.1 WAN Overview
  101
- 7.2 Configuring WAN ISP
  101
  - 7.2.1 Ethernet Encapsulation
    101
    - 7.2.1.1 Service Type
      102
  - 7.2.2 PPPoE Encapsulation
    103
  - 7.2.3 PPTP Encapsulation
    105
- 7.3 Configuring WAN IP
  107
- 7.4 Configuring WAN MAC
  110
Single User Account (SUA) / Network Address Translation (NAT)
113
- 8.1 NAT Overview
  113
  - 8.1.1 NAT Definitions
    113
  - 8.1.2 What NAT Does
    114
  - 8.1.3 How NAT Works
    114
  - 8.1.4 NAT Application
    115
  - 8.1.5 NAT Mapping Types
    116
- 8.2 Using NAT
  117
  - 8.2.1 SUA (Single User Account) Versus NAT
    117
- 8.3 SUA Server
  117
- 8.4 Configuring SUA Server
  119
- 8.5 Configuring Address Mapping
  121
  - 8.5.1 Configuring Address Mapping
    123
- 8.6 Trigger Port Forwarding
  125
  - 8.6.1 Trigger Port Forwarding Example
    126
  - 8.6.2 Two Points To Remember About Trigger Ports
    126
- 8.7 Configuring Trigger Port Forwarding
  126
Static Route Screens
129
- 9.1 Static Route Overview
  129
- 9.2 Configuring IP Static Route
  129
  - 9.2.1 Configuring Route Entry
    131
Firewalls
133
- 10.1 Firewall Overview
  133
- 10.2 Types of Firewalls
  133
- 10.3 Introduction to ZyXEL’s Firewall
  134
- 10.4 Denial of Service
  135
  - 10.4.1 Basics
    135
  - 10.4.2 Types of DoS Attacks
    136
    - 10.4.2.1 ICMP Vulnerability
      139
    - 10.4.2.2 Traceroute
      139
- 10.5 Stateful Inspection
  140
- 10.6 Guidelines For Enhancing Security With Your Firewall
  143
- 10.7 Packet Filtering Vs Firewall
  143
  - 10.7.1 Packet Filtering:
    143
    - 10.7.1.1 When To Use Filtering
      144
  - 10.7.2 Firewall
    144
    - 10.7.2.1 When To Use The Firewall
      144
Firewall Screens
145
- 11.1 Access Methods
  145
- 11.2 Firewall Policies Overview
  145
- 11.3 Rule Logic Overview
  146
  - 11.3.1 Rule Checklist
    146
  - 11.3.2 Security Ramifications
    146
  - 11.3.3 Key Fields For Configuring Rules
    147
    - 11.3.3.1 Action
      147
    - 11.3.3.2 Service
      147
    - 11.3.3.3 Source Address
      147
    - 11.3.3.4 Destination Address
      147
- 11.4 Connection Direction Examples
  147
  - 11.4.1 LAN to WAN Rules
    148
  - 11.4.2 WAN to LAN Rules
    148
- 11.5 Alerts
  149
- 11.6 Configuring Firewall
  149
- 11.7 Example Firewall Rule
  156
- 11.8 Predefined Services
  159
Content Filtering
163
- 12.1 Introduction to Content Filtering
  163
- 12.2 Restrict Web Features
  163
- 12.3 Days and Times
  163
- 12.4 Configure Content Filtering
  163
Remote Management Screens
167
- 13.1 Remote Management Overview
  167
- 13.2 Configuring WWW
  168
- 13.3 Configuring TELNET
  169
- 13.4 Configuring FTP
  171
- 13.5 SNMP
  172
  - 13.5.1 Supported MIBs
    173
  - 13.5.2 SNMP Traps
    173
  - 13.5.3 Configuring SNMP
    174
- 13.6 Configuring DNS
  175
- 13.7 Configuring Security
  176
UPnP
179
- 14.1 Universal Plug and Play Overview
  179
- 14.2 UPnP and ZyXEL
  180
- 14.3 Configuring UPnP
  180
- 14.4 Installing UPnP in Windows Example
  181
  - 14.4.1 Installing UPnP in Windows Me
    181
  - 14.4.2 Installing UPnP in Windows XP
    182
- 14.5 Using UPnP in Windows XP Example
  183
Internal RADIUS Server
189
- 15.1 Internal RADIUS Overview
  189
- 15.2 Internal RADIUS Server Setting
  191
- 15.3 Trusted AP Overview
  193
- 15.4 Configuring Trusted AP
  194
- 15.5 Trusted Users Overview
  195
- 15.6 Configuring Trusted Users
  195
Certificates
199
- 16.1 Certificates Overview
  199
  - 16.1.1 Advantages of Certificates
    200
- 16.2 Self-signed Certificates
  200
- 16.3 Configuration Summary
  200
- 16.4 My Certificates
  200
- 16.5 Certificate File Formats
  203
- 16.6 Importing a Certificate
  203
- 16.7 Creating a Certificate
  204
- 16.8 My Certificate Details
  207
- 16.9 Trusted CAs
  210
- 16.10 Importing a Trusted CA’s Certificate
  212
- 16.11 Trusted CA Certificate Details
  213
Log Screens
217
- 17.1 Configuring View Log
  217
- 17.2 Configuring Log Settings
  218
- 17.3 Configuring Reports
  221
Maintenance
223
- 18.1 Maintenance Overview
  223
- 18.2 System Status Screen
  223
  - 18.2.1 System Statistics
    225
- 18.3 DHCP Table Screen
  225
- 18.4 Association List
  227
- 18.5 F/W Upload Screen
  228
- 18.6 Configuration Screen
  230
- 18.7 Restart Screen
  233
Introducing the SMT
235
- 19.1 SMT Introduction
  235
- 19.2 Connect to your ZyXEL device Using Telnet
  235
  - 19.2.1 Entering Password
    235
- 19.3 Changing the System Password
  236
- 19.4 ZyXEL device SMT Menu Overview Example
  236
- 19.5 Navigating the SMT Interface
  237
  - 19.5.1 System Management Terminal Interface Summary
    239
- 19.6 Changing the System Password
  239
General Setup
241
- 20.1 General Setup
  241
  - 20.1.1 Procedure To Configure Menu 1
    241
  - 20.1.2 Procedure to Configure Dynamic DNS
    243
Menu 2 WAN Setup
245
- 21.1 Introduction to WAN
  245
- 21.2 WAN Setup
  245
LAN Setup
247
- 22.1 LAN Setup
  247
  - 22.1.1 General Ethernet Setup
    247
- 22.2 Protocol Dependent Ethernet Setup
  248
- 22.3 TCP/IP Ethernet Setup and DHCP
  248
  - 22.3.1 IP Alias Setup
    250
- 22.4 Wireless LAN Setup
  252
  - 22.4.1 Configuring MAC Address Filter
    254
Internet Access
257
- 23.1 Introduction to Internet Access Setup
  257
- 23.2 Ethernet Encapsulation
  257
- 23.3 Configuring the PPTP Client
  258
- 23.4 Configuring the PPPoE Client
  260
- 23.5 Basic Setup Complete
  261
Remote Node Configuration
263
- 24.1 Introduction to Remote Node Setup
  263
- 24.2 Remote Node Profile Setup
  263
- 24.3 Edit IP
  269
- 24.4 Remote Node Filter
  271
Static Route Setup
273
- 25.1 IP Static Route Setup
  273
Dial-in User Setup
275
- 26.1 Dial-in User Setup
  275
Network Address Translation (NAT)
277
- 27.1 Using NAT
  277
  - 27.1.1 SUA (Single User Account) Versus NAT
    277
- 27.2 Applying NAT
  277
- 27.3 NAT Setup
  279
  - 27.3.1 Address Mapping Sets
    279
    - 27.3.1.1 User-Defined Address Mapping Sets
      281
    - 27.3.1.2 Ordering Your Rules
      282
- 27.4 Configuring a Server behind NAT
  284
- 27.5 General NAT Examples
  285
- 27.6 Configuring Trigger Port Forwarding
  292
Filter Configuration
295
- 28.1 Introduction to Filters
  295
  - 28.1.1 The Filter Structure of the ZyXEL device
    296
- 28.2 Configuring a Filter Set
  297
- 28.3 Example Filter
  306
- 28.4 Filter Types and NAT
  309
- 28.5 Firewall Versus Filters
  309
- 28.6 Applying a Filter
  309
  - 28.6.1 Applying LAN Filters
    309
  - 28.6.2 Applying Remote Node Filters
    310
Enabling the Firewall
311
- 29.1 Remote Management and the Firewall
  311
- 29.2 Access Methods
  311
- 29.3 Enabling the Firewall
  311
SNMP Configuration
313
- 30.1 About SNMP
  313
- 30.2 Supported MIBs
  314
- 30.3 SNMP Configuration
  314
- 30.4 SNMP Traps
  315
System Security
317
- 31.1 System Security
  317
  - 31.1.1 System Password
    317
  - 31.1.2 Configuring External RADIUS Server
    317
  - 31.1.3 802.1x
    319
System Information and Diagnosis
323
- 32.1 System Status
  323
- 32.2 System Information
  325
  - 32.2.1 System Information
    325
  - 32.2.2 Console Port Speed
    326
- 32.3 Log and Trace
  326
  - 32.3.1 Viewing Error Log
    326
  - 32.3.2 UNIX Syslog
    327
    - 32.3.2.1 CDR
      328
    - 32.3.2.2 Packet triggered
      328
    - 32.3.2.3 Filter log
      329
    - 32.3.2.4 PPP log
      329
    - 32.3.2.5 Firewall log
      330
  - 32.3.3 Call-Triggering Packet
    330
- 32.4 Diagnostic
  331
  - 32.4.1 WAN DHCP
    332
Firmware and Configuration File Maintenance
335
- 33.1 Filename Conventions
  335
- 33.2 Backup Configuration
  336
- 33.3 Restore Configuration
  340
  - 33.3.1 Restore Using FTP
    340
  - 33.3.2 Restore Using FTP Session Example
    341
- 33.4 Uploading Firmware and Configuration Files
  342
System Maintenance and Information
347
- 34.1 Command Interpreter Mode
  347
- 34.2 Call Control Support
  348
  - 34.2.1 Budget Management
    349
  - 34.2.2 Call History
    350
- 34.3 Time and Date Setting
  351
  - 34.3.1 Resetting the Time
    353
Remote Management
355
- 35.1 Remote Management
  355
  - 35.1.1 Telnet
    356
  - 35.1.2 FTP
    357
  - 35.1.3 Web
    357
  - 35.1.4 Remote Management Limitations
    357
- 35.2 Remote Management and NAT
  357
- 35.3 System Timeout
  358
Call Scheduling
359
- 36.1 Introduction to Call Scheduling
  359
Troubleshooting
363
- Problems Starting Up the ZyXEL device
  363
- Problems with the Ethernet Interface
  363
- Problems with the Password
  364
- Problems with Telnet
  364
- Problems with the WLAN Interface
  364
- Product Specifications
  365
- Brute-Force Password Guessing Protection
  367
  - Example
    367
- Setting up Your Computer’s IP Address
  369
  - Windows 95/98/Me
    369
    - Installing Components
      370
    - Configuring
      371
    - Verifying Settings
      372
  - Windows 2000/NT/XP
    372
    - Verifying Settings
      376
  - Macintosh OS 8/9
    376
    - Verifying Settings
      378
  - Macintosh OS X
    378
    - Verifying Settings
      379
- IP Address Assignment Conflicts
  381
- IP Subnetting
  385
  - IP Addressing
    385
  - IP Classes
    385
  - Subnet Masks
    386
  - Subnetting
    386
  - Example: Two Subnets
    387
  - Example: Four Subnets
    389
  - Example Eight Subnets
    390
  - Subnetting With Class A and Class B Networks.
    391
- Command Interpreter
  393
  - Command Syntax
    393
  - Command Usage
    393
- Log Descriptions
  395
  - Log Commands
    396
    - Configuring What You Want the ZyXEL device to Log
      397
    - Displaying Logs
      397
  - Log Command Example
    398
- Wireless LAN and IEEE 802.11
  399
  - Benefits of a Wireless LAN
    399
    - IBSS
      399
    - BSS
      400
    - ESS
      401
  - Wireless LAN Basics
    402
    - RTS/CTS
      402
  - Fragmentation Threshold
    403
  - IEEE 802.11
    404
- Wireless LAN Security
  405
  - IEEE 802.11g Wireless LAN
    405
  - IEEE 802.1x
    405
  - RADIUS
    406
    - Types of RADIUS Messages
      406
  - Types of Authentication
    407
    - EAP-MD5 (Message-Digest Algorithm 5)
      407
    - EAP-TLS (Transport Layer Security)
      407
    - EAP-TTLS (Tunneled Transport Layer Service)
      407
    - PEAP (Protected EAP)
      408
    - LEAP
      408
    - Dynamic WEP Key Exchange
      408
  - WEP Authentication
    408
  - WPA(2)
    410
    - Encryption
      410
    - User Authentication
      411
    - Wireless Client WPA Supplicants
      411
    - WPA with RADIUS Application Example
      411
  - Security Parameters Summary
    413
    - RADIUS Server Authentication Sequence
      414
    - Mutual Authentication with Internal RADIUS server.
      414
- Types of EAP Authentication
  417
- Roaming
  419
  - Roaming Overview
    419
    - Requirements for Roaming
      420
- Antenna Selection and Positioning Recommendation
  421
  - Antenna Characteristics
    421
    - Frequency
      421
    - Radiation Pattern
      421
    - Antenna Gain
      421
  - Types of Antennas For WLAN
    422
    - Positioning Antennas
      422
  - Connector Type
    422
- Triangle Route
  423
  - The Ideal Setup
    423
  - The “Triangle Route” Problem
    423
  - The “Triangle Route” Solutions
    424
  - IP Aliasing
    424
  - Gateways on the WAN Side
    425
    - Numerics
      427
    - A
      427
    - B
      428
    - C
      428
    - D
      429
    - E
      429
    - F
      430
    - G
      431
    - H
      431
    - I
      431
    - J
      432
    - K
      432
    - L
      432
    - M
      433
    - N
      433
    - O
      434
    - P
      434
    - Q
      435
    - R
      435
    - S
      436
    - T
      438
    - U
      439
    - V
      439
    - W
      439
    - Z
      440

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Sommario

Nota Di Rilascio

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Guida Specifiche

Guida Specifiche

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