SMC Networks Gateway TTTM5800X User Manual

Page 31

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All Rights Reserved. Copyright 2006 Teletronics International, Inc.
2 Choke Cherry Road, Rockville, MD 20850 Tel: 301.309.8500 Fax: 301.309.8851

WEP

Short for Wired Equivalent Privacy, a security protocol for wireless local area networks (WLANs) defined in the 802.11b
standard. WEP is designed to provide the same level of security as that of a wired LAN.

Select the key to be used as the default key. Data transmissions are always encrypted using the default key. The other
keys can only be used to decrypt received data.

Authentication

Open - Open system authentication involves a two-step authentication transaction sequence. The first step in
the sequence is the identity assertion and request for authentication. The second step in the sequence is the
authentication result. If it is “successful”, the station shall be mutually authenticated. Open system
authentication does not provide authentication. It provides identification using the wireless adapter's MAC
address. Open system authentication is used when no authentication is required. It is the default
authentication algorithm.

Shared Key - Shared key authentication supports authentication of stations as either a member of those who
know a shared secret key or a member of those who do not. Shared key authentication is not secure and is
not recommended for use. It verifies that an authentication-initiating station has knowledge of a shared secret.
This is similar to pre-shared key authentication for Internet Protocol security (IPSec). The 802.11 standard
currently assumes that the shared secret is delivered to the participating wireless clients by means of a more
secure channel that is independent of IEEE 802.11. In practice, a user manually types this secret for the
wireless AP and the wireless client.

WEP key lengths

64 bit (10 Hex Digit)

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