FormulaBuff for Your Solution » Communication http://www.formulabuff.com Tips and Tricks for Online Internet Marketing and Online Games also Computer Solution Sat, 31 Jul 2010 05:03:15 +0000 http://wordpress.org/?v=2.9.2 en hourly 1 Security for Wireless Router http://www.formulabuff.com/2009/10/security-for-wireless-router/ http://www.formulabuff.com/2009/10/security-for-wireless-router/#comments Mon, 12 Oct 2009 13:45:58 +0000 admin http://www.formulabuff.com/?p=140 Setting up a wireless router is easy. Essentially you turn your cable or DSL modem off and your wireless router on. Then, you connect the router to the modem with a cable, and turn the modem back on. You are more or less done. The wireless network wizard on your computer will pick up the router and, if your ISP does not have any special requirements, away-you-go, you are on the Internet.



For ease of setup and configuration, manufacturers ship wireless routers with all security disabled. Therein lies the problem. If you do not take any further steps to secure your router, and a surprising number of people don’t, your network will be wide open to all passersby and strangers. It’s like you’ve hung out a sign, “The door is open. Please come in and help yourself.”

The problem is not that strangers will be able to use your router to access the Internet but that, without further protection, would-be intruders will be able monitor and sniff out information you send and receive on your network. Malicious intruders can even hop on to your internal network; access your hard drives; and, steal, edit, or delete files on your computer.

The good news is that it is relatively easy to secure your wireless router. Here are three basic steps you should take.

1. Password protect the access to your router’s internal configuration

To access your router’s internal setup, open a browser and enter the routers setup URL. The URL will be specified in the manual. The URLs for D-Link and Linksys routers, two major manufacturers of wireless routers, are http://192.168.0.1 and http://192.168.1.1, respectively.

For Linksys routers, leave the user name blank and type “admin” (without the quotes) in the password field and press enter. To change the password, simply click on the Password tab and enter your new password.

For other routers, please consult your manual. Alternately, you can search on the Internet with the term “default login for ”. Don’t be surprised to find quite a number of pages listing default login parameters for many different routers, even uncommon ones.

2. Change the default SSID (Service Set IDentifier)

The SSID is the name of a WLAN (Wireless Local Area Network). All wireless devices on a WLAN use SSIDs to communicate with each other.

Routers ship with standard default SSIDs. For example, the default SSID for Linksys routers is, not unsurprisingly, “Linksys”. As you can see, if you don’t change the default SSID of your router a would-be intruder armed with a few common SSIDs from major manufacturers will be able to find your wireless network quite easily.

To change the SSID, click on the Wireless tab. Look for an input item labeled SSID. It will be near the top. Enter a new name for network. Don’t use something like “My Network”. Use a name that is be hard to guess.

3. Disable SSID broadcast

Wireless enabled computers use network discovery software to automatically search for nearby SSIDs. Some of the more advanced software will query the SSIDs of nearby networks and even display their names. Therefore, changing the network name only helps partially to secure your network. To prevent your network name from being discovered, you must disable SSID broadcast.

In the same screen that you changed the name of your network, you will see options for SSID broadcast. Choose “Disable SSID” to make your network invisible. Now save all your settings and log out.

Since your wireless network is now invisible, you will have to configure your computers to connect to your wireless network using the new name. On Windows XP, start by clicking on the wireless icon in the Notification Area and proceed from there.

With these three steps, your network now has basic security. However, if you keep sensitive information on your computers, you may want to secure your wireless network even further. For example, you can

- Change the channel your router uses to transmit and receive data on a regularly basis.
- Restrict devices that can connect to the router by filtering out MAC (Media Access Control) addresses.
- Use encryption such as WEP and WPA.

As with most things in life, security is a trade off between cost (time, money, inconvenience) and benefit (ease of use). It is a personal decision you make. However for the majority of home uses, the three basic steps plus WEP/WPA encryption provides reasonably strong security.

Turning on encryption is a two-step process. First you configure your router to use encryption using an encryption key of your choice. And then, you configure your computer to use the encryption key. The actual process of configuring your router for encryption varies from router to router. Please consult the router’s manual.

There are even stronger methods for ensuring security. A strong and robust security method is RADIUS (Remote Authentication Dial In User Service). Using RADIUS requires additional hardware and software. However, there are companies that offer RADIUS security as a subscription based service. The fees are reasonable and dropping.

Therefore for example, if you run a business on your wireless network, have sensitive data on your computers such as credit card information, and have a number of users who access your network, you should consider using RADIUS. Since the service sector for RADIUS is dynamic and growing, a search on the Internet with terms like “RADIUS subscription” or “RADIUS service” is probably the best way to locate one.

]]> http://www.formulabuff.com/2009/10/security-for-wireless-router/feed/ 2 Wireless Satellite Technology http://www.formulabuff.com/2009/10/wireless-satellite-technology/ http://www.formulabuff.com/2009/10/wireless-satellite-technology/#comments Mon, 12 Oct 2009 13:44:13 +0000 admin http://www.formulabuff.com/?p=138 As technology advanced forward, many of the things we’ve taken for granted for years are being reborn under the banner of wireless or wireless satellite Internet. Of course, we’re talking about a lot more than just receiving the Internet from a satellite connection. Many other technologies have also obtained new life through the use of “sky birds.”



Some of the most visible changes in technologies has been in communications and entertainment. Cellular telephones use satellite services to bounce signals literally around the world. Although cell phone service is typically within a 2 mile radius of a cellular tower, by using the power of stationary satellites, a signal or connection on a cell phone can be routed to wherever another cell tower can be found. This is especially good news for those people who tend to be in more remote areas.

Wireless satellite Internet is a connection to the web that’s available anywhere the sky can be seen. Using a satellite to make the connection into the web holds the promise of all the web all the time, anytime. The always on no matter where you are can be a major benefit for many people. This feature is especially promising for serious followers of sports, sport teams, news, weather junkies, stock reports, etc. Imagine anytime, all the time, whenever there’s a computer to be able to log into you Internet connection using wireless satellite Internet services.

Another technology that falls under the umbrella of wireless satellite Internet is the whole television genre. Companies like Direct Way and Dish Network are rapidly building infrastructure that replaces traditional antennae or cable television reception options. For about the same price as cable-TV a clear view of the southern sky will deliver crystal clear television with all popular channels.

Movies on Demand is an up and coming technology that will literally allow you to order movies to watch whenever you want. No more being tied to the start times of the networks, cable companies or even the satellite entertainment providers. All movies, whenever, all the time is the driving force behind the wave of growth in this fast paced industry.

]]> http://www.formulabuff.com/2009/10/wireless-satellite-technology/feed/ 0 The Future Wireless Systems http://www.formulabuff.com/2009/10/the-future-wireless-systems/ http://www.formulabuff.com/2009/10/the-future-wireless-systems/#comments Mon, 12 Oct 2009 13:39:50 +0000 admin http://www.formulabuff.com/?p=134 Wireless systems have increasingly become the inseparable ingredients of our lives in the last century because of their instant installation capabilities in addition to obviously cutting mammoth amounts of capital and time that was otherwise being wasted in erection and installation & commissioning. But how big and expanded is the wireless systems industry? And how much they touch our lives? And if I am not stretching things too far, are we being controlled by wireless systems? Well, let’s take a critical look at these issues which concerns us all.



Wireless Systems and Communication
Ever since Graham Bell and Marconi invented telephone and radio respectively, life has never been the same. Although they didn’t revolutionalized things instantaneously they sure caused a ruffle thus signaling what was on the way. Today, without wireless systems communications would grind to a halt. Satellites become dud flying objects of little use if we don’t ‘connect’ through wireless for billions of gigabytes of data transfer every hour.

Consumer Wireless Equipments
At the bottom, we have wireless toys which are the rage with children. But the most common wireless system everyone is familiar is cell phone without which most of us can conduct our lives the way we need to. Cell phones have rapidly expanded to exit the wired phones in a matter of a few years. Even the basic phones are going wireless with the advent of CDMA technology. The 3G cell phones can transmit up to 2MBPS of data.

Mobile phones reached their zenith of glory when Motorola introduced satellite phones (Irridium) which didn’t even require wireless network but worked with satellites directly.

Connectivity is just notional; look at what broadband has done to wireless systems. Internet no more needs ‘wired connectivity’ as there is wireless broadband service. IPOD has made world collapse into our pockets. What we imagined till the other year, that wireless systems made useful wireless microphones, was turned upside down by one small pocket gadget called IPOD.

Wireless Gadgets

If we are able to watch news cruising at 50,000’ at great speeds, you could imagine what ‘the void’ (wireless) can do. Let’s take a look at some cute gadgets from the current rage.

1. Push to talk phones: Talk, browse internet, watch TV and connect to all your friends by one button push.

2. Pocket PC and wireless LAN for laptops: Pocket PCs double up as cell phones. Laptops connect to LAN with a wireless LAN card.

3. Toys, game controls etc.

4. Home theater, music systems, network booster and headphones etc.

Long ago, when gods communicated, they were not verbal! They communicated silently. Just where are we heading?

]]> http://www.formulabuff.com/2009/10/the-future-wireless-systems/feed/ 0 Wireless Router & Security http://www.formulabuff.com/2009/10/wireless-router-security/ http://www.formulabuff.com/2009/10/wireless-router-security/#comments Mon, 05 Oct 2009 08:08:17 +0000 admin http://www.formulabuff.com/?p=62 Setting up a wireless router is easy. Essentially you turn your cable or DSL modem off and your wireless router on. Then, you connect the router to the modem with a cable, and turn the modem back on. You are more or less done. The wireless network wizard on your computer will pick up the router and, if your ISP does not have any special requirements, away-you-go, you are on the Internet.



For ease of setup and configuration, manufacturers ship wireless routers with all security disabled. Therein lies the problem. If you do not take any further steps to secure your router, and a surprising number of people don’t, your network will be wide open to all passersby and strangers. It’s like you’ve hung out a sign, “The door is open. Please come in and help yourself.”

The problem is not that strangers will be able to use your router to access the Internet but that, without further protection, would-be intruders will be able monitor and sniff out information you send and receive on your network. Malicious intruders can even hop on to your internal network; access your hard drives; and, steal, edit, or delete files on your computer.

The good news is that it is relatively easy to secure your wireless router. Here are three basic steps you should take.

1. Password protect the access to your router’s internal configuration

To access your router’s internal setup, open a browser and enter the routers setup URL. The URL will be specified in the manual. The URLs for D-Link and Linksys routers, two major manufacturers of wireless routers, are http://192.168.0.1 and http://192.168.1.1, respectively.

For Linksys routers, leave the user name blank and type “admin” (without the quotes) in the password field and press enter. To change the password, simply click on the Password tab and enter your new password.

For other routers, please consult your manual. Alternately, you can search on the Internet with the term “default login for ”. Don’t be surprised to find quite a number of pages listing default login parameters for many different routers, even uncommon ones.

2. Change the default SSID (Service Set IDentifier)

The SSID is the name of a WLAN (Wireless Local Area Network). All wireless devices on a WLAN use SSIDs to communicate with each other.

Routers ship with standard default SSIDs. For example, the default SSID for Linksys routers is, not unsurprisingly, “Linksys”. As you can see, if you don’t change the default SSID of your router a would-be intruder armed with a few common SSIDs from major manufacturers will be able to find your wireless network quite easily.

To change the SSID, click on the Wireless tab. Look for an input item labeled SSID. It will be near the top. Enter a new name for network. Don’t use something like “My Network”. Use a name that is be hard to guess.

3. Disable SSID broadcast

Wireless enabled computers use network discovery software to automatically search for nearby SSIDs. Some of the more advanced software will query the SSIDs of nearby networks and even display their names. Therefore, changing the network name only helps partially to secure your network. To prevent your network name from being discovered, you must disable SSID broadcast.

In the same screen that you changed the name of your network, you will see options for SSID broadcast. Choose “Disable SSID” to make your network invisible. Now save all your settings and log out.

Since your wireless network is now invisible, you will have to configure your computers to connect to your wireless network using the new name. On Windows XP, start by clicking on the wireless icon in the Notification Area and proceed from there.

With these three steps, your network now has basic security. However, if you keep sensitive information on your computers, you may want to secure your wireless network even further. For example, you can

- Change the channel your router uses to transmit and receive data on a regularly basis.
- Restrict devices that can connect to the router by filtering out MAC (Media Access Control) addresses.
- Use encryption such as WEP and WPA.

As with most things in life, security is a trade off between cost (time, money, inconvenience) and benefit (ease of use). It is a personal decision you make. However for the majority of home uses, the three basic steps plus WEP/WPA encryption provides reasonably strong security.

Turning on encryption is a two-step process. First you configure your router to use encryption using an encryption key of your choice. And then, you configure your computer to use the encryption key. The actual process of configuring your router for encryption varies from router to router. Please consult the router’s manual.

There are even stronger methods for ensuring security. A strong and robust security method is RADIUS (Remote Authentication Dial In User Service). Using RADIUS requires additional hardware and software. However, there are companies that offer RADIUS security as a subscription based service. The fees are reasonable and dropping.

Therefore for example, if you run a business on your wireless network, have sensitive data on your computers such as credit card information, and have a number of users who access your network, you should consider using RADIUS. Since the service sector for RADIUS is dynamic and growing, a search on the Internet with terms like “RADIUS subscription” or “RADIUS service” is probably the best way to locate one.

]]> http://www.formulabuff.com/2009/10/wireless-router-security/feed/ 0 Making Life Simple With Wireless Technology http://www.formulabuff.com/2009/09/making-life-simple-with-wireless-technology/ http://www.formulabuff.com/2009/09/making-life-simple-with-wireless-technology/#comments Tue, 01 Sep 2009 06:32:16 +0000 admin http://www.formulabuff.com/?p=8 Wireless fidelity , or WiFi, is an amazing technology that allows you to network your computers, office, home, etc. without the need for wires. This makes networking so much easier and less messy because wires are not used. The computers simply connect to the network via radio signals.



Because of this easiness, many businesses, schools, malls, restaurants, cafes, stores, airports and other businesses have set up wireless hot spots that allow anyone to log onto the network. This is amazing for individuals that need to be able to work from any location, however there are some disadvantages because hot spots can be used by unauthorized users if not adequately protected through different security safeguards.

Hot spots are relatively new, but are growing in acceptance and popularity because of the incredible access it gives to students, travelers, business people and the like. Some hot spots are free, while others charge an hourly rate.

These days, if you go to an airport or hotel you will see signs that say internet zone or hotspot and will either say free or how to pay. Because of this evolution, individuals are able to work and study wherever they are, which makes traveling and working much easier and less downtime which is very important.

Wireless networking can also be installed in your home, which means you can work in any room in your home or even outside if you so choose. Many individuals are starting to realize how much easier this makes their lives and are installing the equipment necessary for a wireless network.

To get started, you will need an Internet connection, a router, and then wireless cards for your respective computers. The router allows the Internet signal to be routed throughout the home and the wireless cards that each computer has picks up the signal which eliminates the use of wires. All of this equipment can be purchased in your local computer store or online if you are looking for extra discounts.

If you are interested in installing a wireless network in your home, office, or business, then you can do some research online and install it yourself if you know even a little bit about computers. However, if you have a lot of computers you want to connect or are unsure of what you are doing, then you might consider hiring a professional to handle your wireless solution for you.

Once you have the wireless network setup anyone in your “hotspot” will be able to log onto the server as long as they are within range. However, if you want to exclude just anyone from logging on then you can use a virtual private network, Internet Protocol Security, or other security programs that will protect unauthorized users from logging onto your network.

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