A Guide to how does wifi work
The new 50p broadband tax is likely to hit the poorest families hardest. However, there are a number of ways to avoid the tax and save money.
The internet is well known for a being a useful tool for information finding. Even when it comes to finding out information about people you can still use the internet to get it. Find out how you can do so from the following article.
One of the reasons it is easy to locate people using their social security numbers is the number of places that this number is used in. Find out how you can go about this search from the following article.
There are a number of different ways that an email address can be used to find someone. Read about some of those ways from the contents of this article and some of the services that you can use to trace email addresses.
With so many Internet service providers on the market today, it is hard to determine which one a person should choose. However, many people have chosen dial-up.
Do you need a computer for yourself or a child going off to college? Get a used laptop computer and save money.
There is often a false misconception amongst the public that installing laptop computer memory is something only a true qualified professional should do. I think it is important to finally let this age old myth rest. While it is true that most aspects of technically challenging a laptop computer from a hardware perspective are difficult, thus something a standard computer user should not attempt, upgrading laptop computer memory is not one of them. The latter is actually a fairly easy process to follow, and certainly one that can be performed by the vast majority of computer users providing they follow some simple yet useful advice.
Martin Beck has an enhance attack against TKIP: One of the two researchers who brought us the TKIP Michael packet integrity attack has a refined technique. Beck’s paper, “Enhanced TKIP Michael Attacks” [PDF download], describes how to work around certain assumptions in the MIC (Michael) checksum that’s used to ensure a packet hasn’t been tampered with to insert truly massive hunks of data without breaking a TKIP key.
For certain kinds of routine network traffic, enough data is already known in the right circumstances to brute force one missing piece and insert from 120 to 568 bytes, if I read the paper right. The Michael checksum isn’t changed, but the packet is inserted as a fragment before a correctly checked hunk of data, so the receiver has no suspicion of tampering.
Worse, this technique can be used in some cases to decrypt data headed to the client, even though the TKIP key hasn’t been recovered.
As with the previous attack, a lot of stars have to be in alignment. The attacker must be proximate to insert the packet, not remote. A embedded Linux router is assumed. And TKIP (not AES-CCMP) must be used.
If you can use AES-CCMP (sometimes incorrectly called WPA2 by itself, but really the more advanced of two WPA2 methods), then you should; all corporations and other entities should already be using AES-CCMP.
Copyright ©2010 Glenn Fleishman. All rights reserved. Please notify us if you find this content anywhere but at wifinetnews.com or wimaxnetnews.com. Reproduction of full articles from RSS feeds is prohibited without permission.
While T-Mobile’s UMA offering has been around for years, Cablevision may be trying something new: Cablevision’s COO mentioned in the company’s earnings call today that the firm is testing phones that will switch seamlessly between cellular and Wi-Fi networks. That sounds an awful lot like UMA (unlicensed mobile access), a standard used for roaming by T-Mobile in the US and several carriers around the world.
T-Mobile offers UMA because it lets them leverage other companies’ broadband and its network of home and roaming Wi-Fi networks. T-Mobile operates relatively few hotspots now compared to when it was anchored by Starbucks, but the key to UMA is voice over Wi-Fi over a wired or wireless broadband connection at home.
Cablevision has an even easier time of it, because it provides its CT/NY/NJ Wi-Fi network only to users that subscribe to its home cable broadband service. So any phone it offers can carry voice over Wi-Fi at home over its cable network and outdoors over its Wi-Fi network. In the past, Cablevision has partnered with Sprint for wireless service. However, I’m unaware of any production UMA gear that would work on Sprint’s network.
The notion of UMA is to reduce the cost to a carrier of subscribers while providing subscribers with more unrestricted minutes. T-Mobile’s plans, for instance, offer unlimited domestic calling over Wi-Fi even for plans with modest numbers of cellular minutes. This keeps customers loyal and happy with a lower cost structure. Femtocells have the potential to offer similar advantages to T-Mobile’s competitors, but none are being priced or marketed in that way yet.
Copyright ©2010 Glenn Fleishman. All rights reserved. Please notify us if you find this content anywhere but at wifinetnews.com or wimaxnetnews.com. Reproduction of full articles from RSS feeds is prohibited without permission.
Analysts are predicting that less expensive iPhones from Apple could be arriving later this year, with some speculating that the iPad could do fairly well, adding a significant amount to the company’s annual profits.
