Home
Главная
D-Link
Беспроводная Точка Доступа
DWL-2600AP
Руководство пользователя версии 3.0 Страница: 51

D-Link DWL-2600AP [51/128] Ieee 802 x

Unied Access Point Administrator’s Guide

Page 51

March 2012

Section 4 - Managing the Access Point

Field Description

Key Type Select the key type by clicking one of the radio buttons:

•) ASCII

•) Hex

WEP Keys You can specify up to four WEP keys. In each text box, enter a string of characters for each

key. The keys you enter depend on the key type selected:

•) ASCII — Includes upper and lower case alphabetic letters, the numeric digits, and

special symbols such as @ and #.

•) Hex — Includes digits 0 to 9 and the letters A to F.

Use the same number of characters for each key as specied in the Characters Required

eld. These are the RC4 WEP keys shared with the stations using the AP.

Each client station must be congured to use one of these same WEP keys in the same slot

as specied here on the AP.

Characters Required: The number of characters you enter into the WEP Key elds is

determined by the Key length and Key type you select. For example, if you use 128-bit

ASCII keys, you must enter 26 characters in the WEP key. The number of characters

required updates automatically based on how you set Key Length and Key Type.

Authentication The authentication algorithm denes the method used to determine whether a client station

is allowed to associate with an AP when static WEP is the security mode.

Specify the authentication algorithm you want to use by choosing one of the following

options:

•) Open System authentication allows any client station to associate with the AP whether

that client station has the correct WEP key or not. This algorithm is also used in

plaintext, IEEE 802.1X, and WPA modes. When the authentication algorithm is set to

Open System, any client can associate with the AP.

Note: Just because a client station is allowed to associate does not ensure it can exchange

trafc with an AP. A station must have the correct WEP key to be able to successfully access

and decrypt data from an AP, and to transmit readable data to the AP.

•) Shared Key authentication requires the client station to have the correct WEP key in

order to associate with the AP. When the authentication algorithm is set to Shared

Key, a station with an incorrect WEP key will not be able to associate with the AP.

•) Both Open System and Shared Key. When you select both authentication

algorithms:

•) Client stations congured to use WEP in shared key mode must have a valid WEP

key in order to associate with the AP.

•) Client stations congured to use WEP as an open system (shared key mode not

enabled) will be able to associate with the AP even if they do not have the correct

WEP key.

Table 23 - Static WEP

Static WEP Rules

If you use Static WEP, the following rules apply:

•) All client stations must have the Wireless LAN (WLAN) security set to WEP, and all clients must have one of the

WEP keys specied on the AP in order to de-code AP-to-station data transmissions.

•) The AP must have all keys used by clients for station-to-AP transmit so that it can de-code the station

transmissions.

•) The same key must occupy the same slot on all nodes (AP and clients). For example if the AP denes abc123

key as WEP key 3, then the client stations must dene that same string as WEP key 3.

•) Client stations can use different keys to transmit data to the access point. (Or they can all use the same key, but

this is less secure because it means one station can decrypt the data being sent by another.)

•) On some wireless client software, you can congure multiple WEP keys and dene a client station “transfer

key index”, and then set the stations to encrypt the data they transmit using different keys. This ensures that

neighboring APs cannot decode each other’s transmissions.

•) You cannot mix 64-bit and 128-bit WEP keys between the access point and its client stations.

IEEE 802.1X

IEEE 802.1X is the standard dening port-based authentication and infrastructure for doing key management.

Extensible Authentication Protocol (EAP) messages sent over an IEEE 802.11 wireless network using a protocol

D-Link DWL-2600AP [51/128] Ieee 802 x

Содержание

Похожие устройства