Netgear WNR834B Manuel d'utilisateur Page 31
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v2.1, July 2007
Chapter 2
Safeguarding Your Network
The RangeMax NEXT Wireless Router WNR834B provides highly effective security features
which are covered in detail in this chapter.
This chapter includes:
• Choosing Appropriate Wireless Security
• Configuring WEP Wireless Security
• Configuring WPA-PSK, WPA2-PSK or WPA-PSK+WPA2-PSK Wireless Security
• Turning Off the Broadcast of Your Wireless Network Name
• Restricting Wireless Access by MAC Address
• Changing the Administrator Password
• Backing Up Your Configuration
• Understanding Your Firewall
Choosing Appropriate Wireless Security
Unlike wired network data, anyone with a compatible adapter can receive your wireless data
transmissions well beyond your walls. Operating an unsecured wireless network creates an
opportunity for outsiders to eavesdrop on your network traffic or to enter your network to access
your computers and files. For this reason, use the security features of your wireless equipment.
Deploy the security features appropriate to your needs.
Note: Indoors, computers can connect over 802.11b/g wireless networks at ranges of up
to 300 feet. Such distances can allow for others outside of your immediate area to
access your network.
- NETGEAR RangeMax™ 1
- NEXT Wireless Router 1
- WNR834B User Manual 1
- WNR834B product package 3
- FCC Information to User 4
- FCC Declaration Of Conformity 5
- Contents 7
- About This Manual 11
- How to Use This Manual 12
- How to Print this Manual 12
- Revision History 13
- Chapter 1 15
- Figure 1-1 16
- Figure 1-2 17
- Figure 1-3 18
- Figure 1-4 18
- Figure 1-5 20
- Figure 1-6 22
- Figure 1-7 23
- Configuring Wireless Settings 24
- Figure 1-8 25
- Figure 1-9 27
- Figure 1-10 29
- Figure 1-11 30
- Chapter 2 31
- Safeguarding Your Network 31
- 2-2 Safeguarding Your Network 32
- Figure 2-1 32
- Recommended Security Settings 33
- 2-4 Safeguarding Your Network 34
- Figure 2-2 34
- Safeguarding Your Network 2-5 35
- 2-6 Safeguarding Your Network 36
- Safeguarding Your Network 2-7 37
- 2-8 Safeguarding Your Network 38
- Figure 2-3 38
- Wireless Security 39
- Figure 2-4 40
- Figure 2-5 41
- Figure 2-6 42
- Figure 2-7 42
- Backing Up Your Configuration 44
- Understanding Your Firewall 45
- Chapter 3 47
- Figure 3-1 48
- Figure 3-2 49
- Figure 3-3 50
- Scheduling Blocking 51
- Figure 3-5 52
- Field Description 53
- Figure 3-6 54
- Setting the Time 55
- Chapter 4 57
- Figure 4-1 58
- Using Address Reservation 60
- Using a Dynamic DNS Service 61
- Figure 4-3 62
- Disabling the SPI Firewall 63
- Configuring Static Routes 64
- Figure 4-5 65
- Figure 4-6 67
- Figure 4-7 68
- Chapter 5 71
- Fine-Tuning Your Network 71
- Through Your Router 72
- Fine-Tuning Your Network 5-3 73
- 5-4 Fine-Tuning Your Network 74
- Fine-Tuning Your Network 5-5 75
- 5-6 Fine-Tuning Your Network 76
- Adding a Custom Service 77
- 5-8 Fine-Tuning Your Network 78
- Figure 5-2 78
- Configuring Port Triggering 79
- 5-10 Fine-Tuning Your Network 80
- Figure 5-3 80
- Fine-Tuning Your Network 5-11 81
- Figure 5-4 81
- Using Universal Plug and Play 82
- Fine-Tuning Your Network 5-13 83
- 5-14 Fine-Tuning Your Network 84
- Fine-Tuning Your Network 5-15 85
- Figure 5-6 85
- 5-16 Fine-Tuning Your Network 86
- Fine-Tuning Your Network 5-17 87
- Figure 5-7 87
- Figure 5-8 87
- 5-18 Fine-Tuning Your Network 88
- Figure 5-9 88
- Fine-Tuning Your Network 5-19 89
- Figure 5-10 89
- Changing the MTU 90
- Fine-Tuning Your Network 5-21 91
- Table 5-1. Common MTU Sizes 91
- 5-22 Fine-Tuning Your Network 92
- Figure 5-11 92
- Technologies 93
- 5-24 Fine-Tuning Your Network 94
- Chapter 6 95
- Figure 6-1 96
- Figure 6-4 99
- Figure 6-5 100
- Erasing the Configuration 101
- Upgrading the Router Software 102
- Figure 6-7 103
- Figure 6-8 104
- Figure 6-9 105
- Chapter 7 107
- Troubleshooting 107
- 7-2 Troubleshooting 108
- Troubleshooting 7-3 109
- 7-4 Troubleshooting 110
- Troubleshooting 7-5 111
- 7-6 Troubleshooting 112
- Troubleshooting 7-7 113
- Problems with Date and Time 114
- Troubleshooting 7-9 115
- 7-10 Troubleshooting 116
- Figure 7-1 116
- Troubleshooting 7-11 117
- 7-12 Troubleshooting 118
- Figure 7-2 118
- Troubleshooting 7-13 119
- 7-14 Troubleshooting 120
- Appendix A 121
- Technical Specifications 121
- General Specifications 122
- Technical Specifications A-3 123
- A-4 Technical Specifications 124
- Appendix B 125
- Related Documents 125
- B-2 Related Documents 126
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