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All devices on the ad hoc network must:
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Be 802.11 compatible
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Have ad hoc as the communication mode
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Have the same network name (SSID)
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Be on the same subnet and same channel
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Have the same 802.11 security settings
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Infrastructure (recommended): On an infrastructure network, the printer is set to infrastructure
communication mode, and communicates with other devices on the network, whether the
devices are wired or wireless, through a WAP. WAPs commonly act as routers or gateways on
small networks.
Security settings
NOTE For the available settings for the printer, see the network configuration page under
Understanding the configuration page.
For more information on wireless security, visit
www.weca.net/opensection/pdf/whitepaper_wi-fi_security4-29-03.pdf.
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Network authentication: The printer's factory default setting is 'Open', which does not require
security for authorization or encryption. The other possible values are 'OpenThenShared',
'Shared', and 'WPA-PSK' (Wi-Fi
®
Protected Access Pre-Shared Key).
▲
WPA increases the level of over-the-air data protection and access control on existing and
future Wi-Fi networks. It addresses all known weaknesses of WEP, the original native
security mechanism in the 802.11 standard.
▲
WPA2 is the second generation of WPA security; providing enterprise and consumer Wi-Fi
users with a high level of assurance that only authorized users can access their wireless
networks.
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Data encryption:
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Wired Equivalent Privacy (WEP) provides security by encrypting data sent over radio waves
from one wireless device to another wireless device. Devices on a WEP-enabled network
use WEP keys to encode data. If your network uses WEP, you must know the WEP key(s) it
uses.
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WPA uses the Temporal Key Integrity Protocol (TKIP) for encryption and employs 802.1X
authentication with one of the standard Extensible Authentication Protocol (EAP) types
available today.
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WPA2 provides a new, encryption scheme, the Advanced Encryption Standard (AES). AES
is defined in counter cipher-block chaining mode (CCM) and supports the Independent Basic
Service Set (IBSS) to enable security between client workstations operating in ad hoc mode.
86 Chapter 6 Configuring and managing the printer ENWW