Ericsson W25 Betriebsanweisung PDF herunterladen (Seite 41)

Configuration and Management

methods. Authentication is used to restrict access to the wireless network.

Encryption is the translation of data into a form that cannot be easily

understood by unauthorized users. The encrypted data can only be sent

and received by users with access to a private encryption key.

The following authentication methods are supported by the Ericsson W25:

WEP

WEP (Wired Equivalent Privacy) is considered to be a low security option.

The data is encrypted into blocks of either 64 bits length or 128 bits length.

The encrypted data can only be sent and received by users with access to

a private encryption key. Each device on your wireless network has to be

manually configured with the same key as the Ericsson W25 in order to

allow encrypted data transmissions.

WPA and WPA2

WPA (Wi-Fi Protected Access) and its successor WPA2 are considered to

be the most reliable security options. WPA encryption uses the Temporal

Key Integrity Protocol (TKIP) while WPA2 encryption follows the Advanced

Encryption Standard (AES). AES offers a higher level of security and is

approved for sensitive corporate and government data transmission.

WPA and WPA2 authentication require a passphrase. Each device on your

wireless network has to be manually configured with the same passphrase

as the Ericsson W25. The encryption master key is derived from the

passphrase and the network name (SSID) of the device.

The following Wireless LAN authentication details are displayed and can be

modified on the

Wireless LAN page:

The authentication method, which can be one of the

following:

Authentication

None

WEP (64 bit)

WEP (128 bit)

WPA

WPA2

The WEP 64-bit data encryption or 128-bit data

encryption key

Passphrase /

Key

or the WPA or WPA2 authentication

and encryption passphrase.

If this check box is selected, only wireless devices

added to the whitelist are allowed to access the

Ericsson W25.

Enable whitelist

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