Tuesday, March 13, 2012

Securing Your Wireless Lan

Introduction

It has come to be common custom to deploy wireless networks for convenience applications requiring users to be mobile. Also many "road warriors" have Wi-Fi accounts that let them entrance the Internet and the corporate network from remote locations. Furthermore, many deploy Wi-Fi at home to avoid the difficulties of wiring the home. But because wireless networks operate by broadcasting a radio signal between nodes, they are especially vulnerable to hackers and abuse.

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Wired equivalent privacy (Wep) has been used in the past to obtain wireless Lans. However, Wep has requisite weaknesses, most notably that it uses encryption keys that are both static and known by stations across the network, and it uses a weak implementation of the encryption algorithm. Thus, it is leading that wireless networks be protected by the new generation of security features now available.

Securing Your Wireless Lan

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Advanced Wireless security Features

It personnel have a amount of ready options to make their wireless networks more obtain than they are using Wep:

· The Wi-Fi Alliance has industrialized Wi-Fi Protected entrance (Wpa), which is a standards-based security technology based on the Ieee 802.1X standard. It is free and built into both Windows Xp and Macintosh Os/X. Any equipment with the Wi-Fi Alliance fastener is assured to keep Wpa. Wpa2, implementing Ieee 802.11i, has been released, so users of Wpa should plan on a migration as equipment using the new acceptable becomes available.

· Isolating the wireless network on a inexpressive Lan is an choice for those who like the security of Virtual inexpressive Networks (Vpns). Ipsec (Ip Security) is ready as an even stronger alternative to Wpa and Wpa2. Ipsec supports the obtain replacement of packets at the Ip layer and has been deployed widely to implement Vpns. Although a less obtain Vpn choice than Ipsec, Point-to-Point Tunneling Protocol (Pptp) can be layered over Wep to contribute authentication and a second layer of encryption as an choice for those who need keep for older laptop systems. Anyone explication is used, you must be sure road warriors all the time entrance corporate resources over connections that are protected using strong encryption, either via a Vpn or using Ssl-enabled web pages.

· Isolating clients by preventing them from talking to one another on the wireless network is an choice which prevents wireless hackers from attacking other users. This is especially useful in communal wireless networks, and client isolation is a common highlight in the more industrialized wireless entrance points and hotspot kits.

· Controlling entrance to the wireless network while also enabling entrance for guests is often a problem. Many wireless devices keep guest entrance by segregating unauthenticated users in a cut off virtual Lan apart from the corporate network. You may also want to inflict a straightforward firewall that supports web authentication.

· entrance to the wireless network can also be restricted to machines whose Mac addresses match addresses on an stylish list. The list can be either static or stored on a Radius server for look-up.

· Finally, most of the more sophisticated entrance points have adjustable signal strengths, varying from only a few milliwatts up to some hundred milliwatts. Varying the signal drive can forestall signal from leaking out of the building to surrounding buildings and parking lots, and can forestall eavesdroppers from picking up the wireless signal while sitting in their vehicles or in a colse to building.

Conclusion:

Products are now being offered which make ready commercial implementations of new standards in wireless network security. Complications can arise when trying to consolidate new equipment and standards with patrimony systems, but in many cases vendors have accommodated such deployment scenarios. With these new products and the standards they implement, your wireless network can be at least as obtain as your wire-based network.

About Jonathan Coupal:

Jonathan Coupal is the Vice President and Chief Technology Officer of Itx Corp. Mr. Coupal manages both the day-to-day and strategic operations of the Technology Integration custom Group. Among Mr. Coupal's most strengths are evaluating customers' unique problems, developing innovative, cost productive solutions and providing a "best practice" implementation methodology. Mr. Coupal's uncut knowledge and palpate enables him to fully analyze client systems to recommend the most productive technologies and solutions that will both optimize their enterprise processes and fulfill immediate and time to come goals. Mr. Coupal and his team build a high level of trust with clients, establishing Itx as their It partner of choice.
Mr. Coupal holds certifications with Microsoft and CompTia, including Mcse, Mcsa, Security+, Linux+ and i-Net+, and served as a field Matter scholar (Sme) for the development of the CompTia Linux+.

Securing Your Wireless LanHow to Remotely Hack a Computer Tube. Duration : 2.42 Mins.


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