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WPA-Personal and WPA2-Personal remain vulnerable to password cracking attacks if users rely on a weak password or passphrase. WPA passphrase hashes are seeded from the SSID name and its length; rainbow tables exist for the top 1,000 network SSIDs and a multitude of common passwords, requiring only a quick lookup to speed up cracking WPA-PSK. [34]
WEP, WPA,WPA2 ver Free Windows XP, Windows Server 2003: none Desktop, Workstation, Server, Windows users Dell Wireless LAN Card Utility [11] Dell N/A N/A WEP, WPA,WPA2 ver 3.0 Free Windows Only for Cisco Aironet products Desktop, Workstation, Server, Windows users Broadcom WLAN Utility [12] Broadcom N/A N/A WEP, WPA,WPA2 ver 6.0 Free Windows
The WPA profile also provides optional support for the AES-CCMP algorithm that is the preferred algorithm in 802.11i and WPA2. WPA Enterprise provides RADIUS based authentication using 802.1X. WPA Personal uses a pre-shared Shared Key to establish the security using an 8 to 63 character passphrase. The PSK may also be entered as a 64 character ...
The original shipping version of Windows XP included rudimentary support which was dramatically improved in Service Pack 2. Support for WPA2 and some other security protocols require updates from Microsoft. Many hardware manufacturers include their software and require the user to disable Windows’ built-in Wi-Fi support.
Wi-Fi Protected Access 2 (WPA2) security, [9] which aligns with IEEE 802.11i. WPA2 is available in two types: WPA2-Personal for consumer use, and WPA2 Enterprise, which adds EAP authentication. Optional: Tests corresponding to IEEE 802.11h and 802.11d. WMM Quality of Service, [10] based upon a subset of IEEE 802.11e.
A major security flaw was revealed in December 2011 that affects wireless routers with the WPS PIN feature, which most recent models have enabled by default. The flaw allows a remote attacker to recover the WPS PIN in a few hours with a brute-force attack and, with the WPS PIN, the network's WPA/WPA2 pre-shared key (PSK). [3]
Wireless network cards for computers require control software to make them function (firmware, device drivers).This is a list of the status of some open-source drivers for 802.11 wireless network cards.
WPA implemented a subset of a draft of 802.11i. The Wi-Fi Alliance refers to their approved, interoperable implementation of the full 802.11i as WPA2 , also called RSN (Robust Security Network). 802.11i makes use of the Advanced Encryption Standard (AES) block cipher , whereas WEP and WPA use the RC4 stream cipher .