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Dołączył: 10 Gru 2010
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Skąd: England
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 Wysłany: Czw 4:09, 16 Gru 2010 Temat postu: Air Max Plus Wlan Connections |
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a WLAN, a wireless access point acts as a wireless hub or switch. The most common implementations of WLANs involve using a wireless access point to link wireless computers to a wired LAN so they can use resources on the LAN and /or connect through a router to the internet.
To connect to the internet, the wireless access point is countered to a wired LAN like any other devices, and then computers with wireless NICs can access the LAN. The wireless access point may be purchased in combination with other features such as firewalls, routers and switches. A wireless access point may be attached to a port on a standard hub or switch being used by the LAN.
To connect to the wireless access point, the PC or laptop will need a wireless NIC. This device can be a PCI card NIC, an external USB NIC, or a type II card that goes into the slot on the side of the laptop.
More security on WLAN鈥檚 is necessary because of growing practice, called war driving,[link widoczny dla zalogowanych], in which people travel around a city carrying a specialized device, or simple notebook computer equipped with a wireless NIC,[link widoczny dla zalogowanych], searching for unprotected WLAN鈥檚. These are often referred to as hot spots. The intent is to publicize these locations by marking buildings with symbols that tell others in-the-know that the marked building is a hot spot. This advertising of an unexposed WLAN gives access to a private network, which opens up the possibility of all types of threats.
If you plan to connect through wireless LAN connection, you should enable encryption on the wireless access point and on all computers you wish to have connect. You will first need to ensure that the access point, your wireless NICs on each computer, and your operating system all support the same level or encryption,[link widoczny dla zalogowanych], and that you understand how to configure it properly on all devices. Most WLAN devices and operating systems support an encryption standard called wire equivalent privacy (WEP). This encryption method has proven easy to defeat by war drivers and others. As a consequence another standard wi-fi protected access (WPA) was created. It works with existing hardware and software that have been upgraded and new devices that are WEP enables out of the box.
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