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Linksys WRE54G Cisco WAP54GP Wireless-G Exterior Access Point User Guide - Page 56

Appendix B: Wireless Security - users guide

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Wireless-G Exterior Access Point Appendix B: Wireless Security Linksys wants to make wireless networking as safe and easy for you as possible. The current generation of Linksys products provide several network security features, but they require specific action on your part for implementation. So, keep the following in mind whenever you are setting up or using your wireless network. Security Precautions The following is a complete list of security precautions to take (as shown in this User Guide) (at least steps 1 through 5 should be followed): 1. Change the default SSID. 2. Disable SSID Broadcast. 3. Change the default password for the Administrator account. 4. Enable MAC Address Filtering. 5. Change the SSID periodically. 6. Use the highest encryption algorithm possible. Use WPA if it is available. Please note that this may reduce your network performance. 7. Change the WEP encryption keys periodically. To ensure network security, steps one through five should be followed, at least. Security Threats Facing Wireless Networks Wireless networks are easy to find. Hackers know that in order to join a wireless network, wireless networking products first listen for "beacon messages". These messages can be easily decrypted and contain much of the network's information, such as the network's SSID (Service Set Identifier). Here are the steps you can take: Change the administrator's password regularly. With every wireless networking device you use, keep in mind that network settings (SSID, WEP keys, etc.) are stored in its firmware. Your network administrator is the only person who can change network settings. If a hacker gets a hold of the administrator's password, he, Appendix B: Wireless Security Security Precautions Note: Some of these security features are available only through the network router or access point. Refer to the router or access point's documentation for more information. 47

Section	Page
Appendix A: Troubleshooting 43	4
Appendix B: Wireless Security 47	4
Appendix C: Upgrading Firmware 50	4
Appendix D: Windows Help 51	4
Appendix E: Glossary 52	4
Appendix F: Specifications 57	4
Appendix G: Warranty Information 59	4
Appendix H: Regulatory Information 60	4
Appendix I: Contact Information 66	4
List of Figures	5
Figure 2-1: Example of a Simple Wireless Network 5	5
Figure 3-1: Front Panel 6	5
Figure 3-2: Bottom Panel 7	5
Figure 3-3: Top Panel 7	5
Figure 3-4: Back Panel 8	5
Figure 3-5: Internal Antenna Pattern (Horizontal Plane) 9	5
Figure 3-6: Radio Coverage of the Access Point to Client Devices 10	5
Figure 3-7: Access Point to Access Point (bridging) Radio Coverage 11	5
Figure 4-1: Mark the Locations of the Two Wall-Mount Slots 12	5
Figure 4-2: Attach the Mounting Plate 12	5
Figure 4-3: Ground the Access Point 13	5
Figure 4-4: Attach the Access Point to the Wall 13	5
Figure 5-1: Login Screen 14	5
Figure 6-1: Setup - Static IP Address 17	5
Figure 6-2: Setup - Automatic Configuration - DHCP 18	5
Figure 6-3: Setup - Time 18	5
Figure 6-4: Wireless - Basic Wireless Settings 19	5
Figure 6-5: Wireless - Wireless Security (Disabled) 21	5
Figure 6-6: Wireless - Wireless Security (WPA-Personal) 21	5
Figure 6-7: Wireless - Wireless Security (WPA2-Personal) 22	5
Figure 6-8: Wireless - Wireless Security (WPA2-Personal Mixed) 22	5
Figure 6-9: Wireless - Wireless Security (WPA-Enterprise) 23	5
Figure 6-10: Wireless - Wireless Security (WPA2-Enterprise) 23	5
Figure 6-11: Wireless - Wireless Security (WPA2 - Enterprise Mixed) 24	5
Figure 6-12: Wireless Security - RADIUS 25	5
Figure 6-13: Wireless Settings - WEP 25	5
Figure 6-14: Wireless - Wireless Connection Control 26	5
Figure 6-1: Select MAC Address from Client Association Table 26	5
Figure 6-15: Wireless - Advanced Wireless 27	6
Figure 6-16: AP Mode 29	6
Figure 6-17: Wireless Repeater 30	6
Figure 6-18: Site Survey 31	6
Figure 6-19: Administration - Management 32	6
Figure 6-20: The Administration - Log 34	6
Figure 6-21: Administration - Factory Default 36	6
Figure 6-22: Administration - Firmware Upgrade 36	6
Figure 6-23: Administration - Reboot 37	6
Figure 6-24: Administration - Config Management 38	6
Figure 6-25: Status - Local Network 39	6
Figure 6-26: Status - Wireless 40	6
Figure 6-27: Status - System Performance 41	6
Figure C-1: Firmware Upgrade 50	6
Chapter 1: Introduction	7
Welcome	7
What’s in this User Guide?	8
Chapter 2: Planning Your Wireless Network	10
Network Topology	10
Roaming	10
Network Layout	10
Example of a Simple Wireless Network	11
Chapter 3: Getting to Know the Wireless-G Exterior Access Point	13
The LEDs	13
The Ports	14
The Reset Button and Ground	15
The Antenna Pattern	16
Chapter 4: Connecting the Wireless-G Exterior Access Point	19
Overview	19
Hardware Installation	19
Chapter 5: Setting Up the Wireless-G Exterior Access Point	21
Overview	21
Accessing the Utility	21
Navigating the Utility	22
Chapter 6: Configuring the Wireless-G Exterior Access Point	24
The Setup Tab	24
The Setup - Time Tab	25
The Wireless - Basic Wireless Settings Tab	26
The Wireless - Wireless Security Tab	28
The Wireless - Wireless Connection Control Tab	33
The Wireless - Advanced Wireless Settings Tab	34
The AP Mode Tab	36
The Administration - Management Tab	39
The Administration - Log Tab	41
The Administration - Factory Default Tab	43
The Administration - Firmware Upgrade Tab	43
The Administration - Reboot Tab	44
The Administration - Config Management Tab	45
The Status - Local Network Tab	46
The Status - Wireless Tab	47
The Status - System Performance Tab	48
Appendix A: Troubleshooting	50
Frequently Asked Questions	50
Appendix B: Wireless Security	56
Security Precautions	56
Security Threats Facing Wireless Networks	56
Appendix C: Upgrading Firmware	59
Appendix D: Windows Help	60
Appendix E: Glossary	61
Appendix F: Specifications	66
Appendix G: Warranty Information	68
Appendix H: Regulatory Information	70

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Appendix B: Wireless Security

Security Precautions

Wireless-G Exterior Access Point

Appendix B: Wireless Security

Linksys wants to make wireless networking as safe and easy for you as possible. The current generation of

Linksys products provide several network security features, but they require specific action on your part for

implementation. So, keep the following in mind whenever you are setting up or using your wireless network.

Security Precautions

The following is a complete list of security precautions to take (as shown in this User Guide) (at least steps 1

through 5 should be followed):

Change the default SSID.

Disable SSID Broadcast.

Change the default password for the Administrator account.

Enable MAC Address Filtering.

Change the SSID periodically.

Use the highest encryption algorithm possible. Use WPA if it is available. Please note that this may

reduce your network performance.

Change the WEP encryption keys periodically.

To ensure network security, steps one through five should be followed, at least.

Security Threats Facing Wireless Networks

Wireless networks are easy to find. Hackers know that in order to join a wireless network, wireless

networking products first listen for “beacon messages”. These messages can be easily decrypted and contain

much of the network’s information, such as the network’s SSID (Service Set Identifier). Here are the steps

you can take:

Change the administrator’s password regularly.

With every wireless networking device you use, keep in

mind that network settings (SSID, WEP keys, etc.) are stored in its firmware. Your network administrator is

the only person who can change network settings. If a hacker gets a hold of the administrator’s password, he,

Note:

Some of these security features are

available only through the network router or

access point. Refer to the router or access

point’s documentation for more information.