Download How Secure Is Your Wireless Network? Safeguarding Your Wi-Fi by Lee Barken PDF
By Lee Barken
You can now have the striking advantages of instant LANs with out falling sufferer to their infamous safety flaws. best instant protection professional Lee Barken indicates you useful workarounds and fixes for the vulnerabilities in modern WLANs, introduces high-security instant protocols new to undefined, and gives step by step directions for shielding your whole instant info, from the house to the enterprise.This is the definitive and easy-to-use WLAN defense booklet you have been looking for-whether you are a community administrator,security professional, supervisor, or domestic consumer.
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In fact, using a USB adapter with an identical receive sensitivity to a PCMCIA card will often provide better results because you can position the adapter (and its "antenna") on the dashboard, instead of being tucked away inside your laptop next to the car door. 7). 7. 5 dBi Magnetic mount Omni Antenna. Antennae generally have a standard connector called an N connector. On the other hand, wireless cards 52 53 generally use a proprietary connector. To be able to adapt the proprietary connector to an N connector, you will need to get a cable called a pigtail, a short cable (usually a foot or less) that will let you connect an external antenna to your particular card.
11b. 11 operates in either an ad-hoc or infrastructure mode. Essentially, the difference is whether you use APs or if the clients communicate directly with each other. Infrastructure (BSS/ESS) networks use a central AP that clients connect to. In this mode clients talk with only with an AP, even if the destination is sitting right next to them. Ad-Hoc (IBSS) networks don't use APs. Finally, CSMA/CA techniques force access points to listen before talking. RTS/CTS and fragmentation are management techniques designed to help improve throughput in noisy environments.
It requires a certain degree of skill and tenacity to pull off the attack. In a low traffic environment, you'll also need lots of patience in order to collect the large volume of packets needed to successfully crack the key (or some additional skills to effectively mount a packet injection attack to trick the network into flooding traffic). The obvious answer to the WEP problem is to extend the IV space and don't reuse IVs. These issues (and more) are addressed in the WPA protocol (see Chapter 5).