Tag 'Wikipedia'

Wardriving – Definition aus Wikipedia

August 18, 2009Kommentare deaktiviert

Wardriving is the act of searching for Wi-Fi wireless networks by a person in a moving vehicle, using a portable computer or PDA. Software for wardriving are freely available on the Internet, notably NetStumbler for Windows, Kismet or SWScanner for Linux, FreeBSD, NetBSD, OpenBSD, DragonFly BSD, and Solaris, and KisMac for Macintosh. There are also

Firmware – Definition aus Wikipedia

August 13, 2009Kommentare deaktiviert

Firmware is a term sometimes used to denote the fixed, usually rather small, programs that internally control various electronic devices. Typical examples range from end-user products such as remote controls or calculators, through computer parts and devices like harddisks, keyboards, TFT screens or memory cards, all the way to scientific instrumentation and industrial robotics. Auch…

RADIUS – Definition aus Wikipedia

August 13, 2009Kommentare deaktiviert

Remote Authentication Dial In User Service (RADIUS) is a networking protocol that provides centralized Authentication, Authorization, and Accounting (AAA) management for computers to connect and use a network service. RADIUS was developed by Livingston Enterprises, Inc., in 1991 as an access server authentication and accounting protocol and later brought into the IETF standards.[1] Because of

WISP – Definition aus Wikipedia

August 13, 2009Kommentare deaktiviert

Wireless Internet Service Providers (WISPs) are Internet service providers with networks built around wireless networking. The technology used ranges from commonplace Wi-Fi mesh networking or proprietary equipment designed to operate over open 900MHz, 2.4GHz, 4.9, 5.2, 5.4, and 5.8GHz bands or licensed frequencies in the UHF or MMDS bands.

Captive Portal – Definition aus Wikipedia

August 12, 2009Kommentare deaktiviert

The captive portal technique forces an HTTP client on a network to see a special web page (usually for authentication purposes) before using the Internet normally. A captive portal turns a Web browser into an authentication device. This is done by intercepting all packets, regardless of address or port, until the user opens a browser

WLAN – Definition aus Wikipedia

August 11, 2009Kommentare deaktiviert

A wireless LAN (WLAN) is a wireless local area network that links two or more computers or devices using spread-spectrum or OFDM modulation technology based to enable communication between devices in a limited area. This gives users the mobility to move around within a broad coverage area and still be connected to the network. For

802.11 – aus Wikipedia

August 11, 2009Kommentare deaktiviert

IEEE 802.11 is a set of standards carrying out wireless local area network (WLAN) computer communication in the 2.4, 3.6 und 5 GHz frequency bands. They are implemented by the IEEE LAN/MAN Standards Committee (IEEE 802). Die 802.11 family includes over-the-air modulation techniques that use the same basic protocol. The most popular are those defined

Wi-Fi – Definition aus Wikipedia

August 11, 20091 Kommentar

Wi-Fi ist eine Marke der Wi-Fi Alliance zertifiziert für Produkte auf Basis des IEEE 802.11 Normen. Diese Zertifizierung garantiert die Interoperabilität zwischen verschiedenen Wireless-Geräten. In einigen Ländern (und in diesem Artikel) der Begriff Wi-Fi[1][2] wird oft von der Öffentlichkeit als Synonym für IEEE 802.11-Wireless-LAN verwendet (WLAN). Nicht jeder IEEE 802.11 compliant device

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