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Wireless networks - what you should know
| Added: 18-12-2006 Author: Mike L Dailey Category: Broadband Internet |
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Wireless home network provides several facilities that make them an attractive option for computer users at home: some computers can share your broadband connection without the need to run the entire cable network at home, and laptop computers can be formed around two in the house and out of the Deck or porch to provide connectivity anywhere.
Network equipment vendors such as Linksys, Netgear, and D-Link that the entire line-point wireless access points, network cards, and accessories are sold directly to home use. Many consumers, however, have little idea about the security issues that might be is to bring them home and that the wireless access point. It is just amazing how many home wireless network is a fundamental error even more security, and technology analysts expect a half from home wireless networks operating in the U.S. without any security at all.
Without security measures in place are appropriate, to build a wireless network in your home can now be a central issue for your privacy and your family. If your home PC or laptop, one with financial information and your personal electronic-mail security in the salmon-wireless networks, and who have not secured properly and PC operating systems and the latest security updates Match, so the financial data and insurance communication can be easily seen by anyone close enough to home to get your wireless network. In addition, your instant messaging conversations and email traffic can be transmitted sexually obvious, such as.
Many wireless users to build a new network would rush home via a wireless installation instructions to get their Internet connectivity working as quickly as possible. While excitement is understandable, it is also dangerous, because many can cause security problems. Take time to understand the basic technologies and ways to keep your network secure is crucial to protect personal and confidential information and computer network in your home. While the technology to ensure that no wireless network can be 100% safe, there are several steps you can take to make it more difficult for malicious users to compromise a wireless network in your home.
While this new wireless technology makes life a little easier, spread the question remains: is it safe?
Primary wireless network
Wireless networks (often known as WiFi or WLAN devices) is one of several major industry standard technology, commonly known as 802.11 a, b and g standards. These standards define the data transfer speed and distance frequency radio data stops. 802.11 b protocol working at 2.4 Gigahertz (GHz) and 11 megabits (Mbps), while working on 802.11 a 11Mbps and 5GHz. 802.11 g device operating at the same frequency as 802.11 b, but it has a data transfer is higher than 54 Mbps. Basically, every one of these specifications provide different frequencies for wireless (or radio) communications, thus offering the potential differences in signal strength and coverage.
Wireless network equipment can communicate in one of two normal modes: moderated and Ad-Hoc. Managed mode allows the device to act as a node on the network, such as a PC network data integration. Node communicates with this server, Printers, and other resources on the web in what is called a client / server relationship. PC clients in this event. In the world of wireless devices to connect to managed mode wireless access point (or WAP) to integrate resources, and access points act as a bridge of communication between wireless devices and the entire network (which may include cable systems, and other wireless devices.)
The device is placed in the Ad-Hoc mode does not have an access point need help talking to other networks. Ad-Hoc mode part of the device in a peer-to-peer mode, allowing facilities to act as their own access point other wireless devices in the Ad-Hoc mode you can attach. Adopting earlier wireless security standards, and soon found to be flawed and ineffective.
WEP (Wired-Equivalent Privacy) is the day for the protection of wireless data transmission network. While technology and other standards such as 802.1 x and
Cheap-positioned to replace security limitations of WEP for example, WEP is still today most of the protection system deployed wireless communications network.
During the operation of the 802.11 standard for wireless networks, IEEE is the key to solve the wireless security; communication using this protocol is weak due to the use of radio signals through the open air, closed to electrical signals through wires. WEP standard was established to handle these obligations. Is it to create a private wireless network such as cable networks using 40-bit and 128-bit encryption. WEP technology provides a way to encrypt data communications between wireless devices and wireless network access point, wireless network, or two devices (depending on the mode used, managed or Ad-Hoc.) Typically these materials are designed to provide up to 128 - bit encryption , who himself is a gentleman of peace. However, due to lack of peer review or some equivalent privacy mistakes are not so private after all. WEP can be broken down very quickly after collecting 100 MB to 1000 MB of data to be normally distributed Freeware sniffers on the web.
A network sniffer computer connected to the NIC and put in promiscuous mode (or listen mode). This allows the sniffer to eavesdrop on communications, especially any who passed along the network, and view the data contained in the package. Even if the communication is encrypted, anyone with a $60 laptop and a wireless NIC can collect data, and within three to 30 hours using the principles of the WEP Freeware offers a rest. This means the communication of personal encryptedprivate again. Do bad things, diversity is not our friend. A wireless network of this type of interference risks different points from the company parking lot or the house next door. Ten dollars from Radio Shack parts and Pringles potato chips can be used to make directional antennas, and wireless networking devices increase the 100-foot range near 10 miles in front straight. Like today, hope for the safety and privacy when he continued to use WEP reality falls short of hope. WEP is easily broken, and therefore a sure way to get communication.
Wireless Security at Home
While most home networks use a wireless access point that provides multiple forms of data encryption as WEP, what they thought was safe you can easily win a real tech-savvy as any Packer and equipment and during crack your WEP key. Drawing from you is quite scary. If WEP ISN good hand to get the solutions for wireless network in my house, then what? Answer: common sense. With a little thought you can easily add WEP and some home safety practices in less cable itaimarisha your home network against eavesdropping. Here are some suggestions:
1. Attach a personal computer has never been a personal family or financial information through a wireless home network. Many wireless access points come with 4 or 6-port Ethernet switch built right in, always connect to a network of PCs and standard Ethernet cable. Which ensures that all communications to and from the PC cable connections are guaranteed.
2. Make sure that all your home PC is up to date with security fixes and Match of the operating system vendor (usually Microsoft).
3. If possible, change the WEP key in the planned foundation. Comes with a new key every month or two, and make sure the key is long enough and hard enough to not easily guessed. Never use your name, address, house number, or other information in easy to guess your WEP key or SSID string as your wireless network equipment.
4. If your wireless access point provides the ability to turn the power down signal, is to reduce as low as possible for your needs. Bottom output signal, and sub-type of access point. Maximum points from the box to send more than a distance of 1000 ft is much different from that required if the use of wireless in your home office.
5. Always turn off your wireless access point when not is use. Remember that all traffic flowing through your internet connection is DSL or cablemodem traced back to you, and the legal situation is more your responsibility. If the neighbor across the street were using a wireless access point is safe at night while you sleep download illegal material like child pornography, which is downloaded chapwa behind a cable or DSL modem.
Finally, if all Internet communication, never say or reveal anything in the mail, Instant Message, or chat conversations that you say not in a public forum. Unless you are using sophisticated encryption technology or to obtain communication channels there is no hope of privacy in your Internet communications. If you need to say something personal or private nature, capture and voice telephone conversations.
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