Netgear WGR614v7 WGR614v7 Reference Manual - Page 127

Overview of WEP Parameters, Do Not Use WEP, Use WEP for Encryption

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54 Mbps Wireless Router WGR614v7 Reference Manual This process is illustrated below. 802.11b Authentication Shared Key Steps 1) Authentication request sent to AP 2) AP sends challenge text Client 3) Client encrypts attempting challenge text and to connect sends it back to AP Access Point Cable/DSL ProSafeWirelessVPN Security Firewall PWR TEST IN TER N ET LNK W LA N LO CA L MODEL FVM318 100 ACT Enable LNK/ACT 1 2 3 4 5 6 7 8 Cable or DLS modem 4) AP decrypts, and if correct, authenticates client 5) Client connects to network Figure 7-2: Shared key authentication Overview of WEP Parameters Before enabling WEP on an 802.11 network, you must first consider what type of encryption you require and the key size you want to use. Typically, there are three WEP Encryption options available for 802.11 products: 1. Do Not Use WEP: The 802.11 network does not encrypt data. For authentication purposes, the network uses Open System Authentication. 2. Use WEP for Encryption: A transmitting 802.11 device encrypts the data portion of every packet it sends using a configured WEP Key. The receiving device decrypts the data using the same WEP Key. For authentication purposes, the network uses Open System Authentication. 3. Use WEP for Authentication and Encryption: A transmitting 802.11 device encrypts the data portion of every packet it sends using a configured WEP Key. The receiving device decrypts the data using the same WEP Key. For authentication purposes, the wireless network uses Shared Key Authentication. Note: Some 802.11 access points also support Use WEP for Authentication Only (Shared Key Authentication without data encryption). Wireless Networking Basics D-5 April 2006

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54 Mbps Wireless Router WGR614v7 Reference Manual
Wireless Networking Basics
D-5
April 2006
This process is illustrated below.
Figure 7-2:
Shared key authentication
Overview of WEP Parameters
Before enabling WEP on an 802.11 network, you must first consider what type of encryption you
require and the key size you want to use. Typically, there are three WEP Encryption options
available for 802.11 products:
1.
Do Not Use WEP:
The 802.11 network does not encrypt data. For authentication purposes, the
network uses Open System Authentication.
2.
Use WEP for Encryption:
A transmitting 802.11 device encrypts the data portion of every
packet it sends using a configured WEP Key. The receiving device decrypts the data using the
same WEP Key. For authentication purposes, the network uses Open System Authentication.
3.
Use WEP for Authentication and Encryption:
A transmitting 802.11 device encrypts the data
portion of every packet it sends using a configured WEP Key. The receiving device decrypts the
data using the same WEP Key. For authentication purposes, the wireless network uses Shared Key
Authentication.
Note:
Some 802.11 access points also support
Use WEP for Authentication Only
(Shared Key
Authentication without data encryption).
FVM318
Access Point
1) Authentication
request sent to AP
2) AP sends challenge text
3) Client encrypts
challenge text and
sends it back to AP
4) AP decrypts, and if correct,
authenticates client
5) Client connects to network
802.11b Authentication
Shared Key Steps
Cable or
DLS modem
Client
attempting
to connect