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1. Wireless Industry Standards
No technology works in a vacuum. Many entities work at different levels to bring the technology to a more mature and usable state. Standards and specifications are first conceived, developed, and then implemented. Currently, most standards bodies for the mobile e-commerce environment are focused on hardware- or infrastructure-related issues. Some of the more important standards organizations related to the wireless industry today include: Bluetooth Special Interest Group (SIG) is a volunteer...

2. How Do I Share Pictures on the Web
A popular way to electronically share pictures these days is via online photo services that publish web page galleries of your images. Only a few years ago, setting up an online gallery was a cumbersome process requiring some knowledge of web page design. But easy-to-use online services such as Flickr have streamlined this process so that anyone with an Internet connection can publish photos. In addition to sharing pictures, these services allow you to write short captions, add titles, and even include "tags" that serv...

3. Wireless Attacks ~ Jamming (Denial of Service)
Denial-of-service (DoS) attacks are those that prevent the proper use of functions or services. Such attacks can also be extrapolated to wireless networks. To understand this, we must first consider how wireless 802.11b networks operate, and over what frequencies. Effectively attacking (or securing) a wireless network requires a certain level of knowledge about how radio transmitters, frequencies, and wavelengths work and relate to each other. In the United States, the FCC governs frequencies and their allocation. Devices...

4. Wireless Communication Platforms for LANS
Despite the prevalence of standards committees in the wireless industry, there is no single unifying standard. It is important for enterprises to consider all the aspects involved in mobile support while contemplating a strategy for mobile e-commerce. Some of the key criteria in choosing a wireless network specification include: Average size of transfers Number of devices in the wireless network Others Range of transmission Secur...

5. Wireless Attacks ~ War Driving
When a surveillance attack is either impossible or too difficult, war driving is an effective alternative. In many situations, war driving follows and adds information to a prior surveillance attack. Conversely, the information obtained from random war driving often leads to a surveillance attack on a discovered location. The term war driving is borrowed from the 1980s phone hacking tactic known as war dialing. War dialing involves dialing all the phone numbers in a given sequence to search for modems. In fact, this method of ...

6. How To Get Photo Quality Prints
There are a variety of ways to get photo-quality prints from your digital images. You can make them yourself with a printer at home, or have a photo finisher do the work for you. Many camera stores offer photo finishing from digital images. Simply take in your memory card, order the prints, and pick them up the next day. This service is now available in most drugstore chains, too—instead of dropping off a roll of film while running your errands, you leave them your memory card instead. You can also order prints throu...

7. Wireless Privacy Protocols ~ WEP detailed
The Wired Equivalent Privacy protocol is incorporated as part of the IEEE 802.11b protocol. Actually, the standard only calls for 40-bit WEP, but almost all vendors offer up to 128-bit WEP. To secure data, WEP uses the RC4 algorithm to encrypt the packets of information as they are sent out from the access point or wireless network card. This is the same algorithm used in many other Internet applications that require security, such as Secure Sockets Layer (SSL). SSL is the most common protocol used by online stores to e...

8. Wireless Attacks ~ Rogue Access Points
Rogue access points are those connected to a network without planning or permission from the network administrator. For example, we know one administrator in Dallas who just did his first wireless security scan (war driving) on his eight-building office campus. To his surprise, he found over thirty access points. Worse, only four of them had authorization to be connected to the network. Needless to say, heads rolled. Rogue access points are becoming a major headache in the security industry. With the price of low-end ac...

9. Wireless Network Protocols ~ Advantages and Disadvantages of Bluetooth
There are various wireless communication protocols. These technologies range in scope from long distance WLANs to one-meter IrDA devices. Each of these technologies has its niche, as well as its attendant strengths and weaknesses. For example, WLANs enable the transmission of data up to several hundred feet, but often require manual configuration changes that are difficult to implement. On the other hand, IrDA permits a seamless connection between devices without the need for extra configuration. However, their usability is de...