Linksys WRT330N User Guide - Page 71

Linksys WRT330N - Wireless-N Gigabit Gaming Router Wireless Manual

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Wireless-N Gigabit Gaming Router 1. Disable Broadcast 2. Make it unique 3. Change it often Most wireless networking devices will give you the option of broadcasting the SSID. While this option may be more convenient, it allows anyone to log into your wireless network. This includes hackers. So, don't broadcast the SSID. Wireless networking products come with a default SSID set by the factory. (The Linksys default SSID is "linksys".) Hackers know these defaults and can check these against your network. Change your SSID to something unique and not something related to your company or the networking products you use. Change your SSID regularly so that any hackers who have gained access to your wireless network will have to start from the beginning in trying to break in. MAC Addresses. Enable MAC Address filtering. MAC Address filtering will allow you to provide access to only those wireless nodes with certain MAC Addresses. This makes it harder for a hacker to access your network with a random MAC Address. WEP Encryption. Wired Equivalent Privacy (WEP) is often looked upon as a cure-all for wireless security concerns. This is overstating WEP's ability. Again, this can only provide enough security to make a hacker's job more difficult. There are several ways that WEP can be maximized: 1. Use the highest level of encryption possible 2. Use "Shared Key" authentication 3. Change your WEP key regularly PSK. Pre-shared Key (PSK) is the newest and best available standard in Wi-Fi security. Two modes are available: PSK and Radius. PSK gives you a choice of two encryption methods: TKIP (Temporal Key Integrity Protocol), which utilizes a stronger encryption method and incorporates Message Integrity Code (MIC) to provide protection against hackers, and AES (Advanced Encryption System), which utilizes a symmetric 128-Bit block data encryption. RADIUS (Remote Authentication Dial-In User Service) utilizes a RADIUS server for authentication. IMPORTANT: Always remember that each device in your wireless network MUST use the same security method and key, or else your wireless network will not function properly. Appendix B: Wireless Security 65 Security Threats Facing Wireless Networks

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65
Appendix B: Wireless Security
Security Threats Facing Wireless Networks
Wireless-N Gigabit Gaming Router
1.
Disable Broadcast
2.
Make it unique
3.
Change it often
Most wireless networking devices will give you the option of broadcasting the SSID. While this option may be
more convenient, it allows anyone to log into your wireless network. This includes hackers. So, don’t broadcast
the SSID.
Wireless networking products come with a default SSID set by the factory. (The Linksys default SSID is “linksys”.)
Hackers know these defaults and can check these against your network. Change your SSID to something unique
and not something related to your company or the networking products you use.
Change your SSID regularly so that any hackers who have gained access to your wireless network will have to
start from the beginning in trying to break in.
MAC
Addresses
. Enable MAC Address filtering. MAC Address filtering will allow you to provide access to only
those wireless nodes with certain MAC Addresses. This makes it harder for a hacker to access your network with
a random MAC Address.
WEP Encryption
. Wired Equivalent Privacy (WEP) is often looked upon as a cure-all for wireless security
concerns. This is overstating WEP’s ability. Again, this can only provide enough security to make a hacker’s job
more difficult.
There are several ways that WEP can be maximized:
1.
Use the highest level of encryption possible
2.
Use “Shared Key” authentication
3.
Change your WEP key regularly
PSK
. Pre-shared Key (PSK) is the newest and best available standard in Wi-Fi security. Two modes are available:
PSK and Radius. PSK gives you a choice of two encryption methods: TKIP (Temporal Key Integrity Protocol), which
utilizes a stronger encryption method and incorporates Message Integrity Code (MIC) to provide protection
against hackers, and AES (Advanced Encryption System), which utilizes a symmetric 128-Bit block data
encryption. RADIUS (Remote Authentication Dial-In User Service) utilizes a RADIUS server for authentication.
IMPORTANT:
Always remember that each device
in your wireless network MUST use the same
security method and key, or else your wireless
network will not function properly.