LinkSys is a very popular brand of home routers manufactured by Cisco. These may be wireless routers, DSL routers, and cable routers.
LinkSys routers are fairly simple to setup, even for inexperienced users. LinkSys Router Setup
Physical Setup of a LinkSys Router:
Even though the different models of LinkSys routers may differ, the general design for setup is very similar for all of them. Attach the antennas to the router (for wireless routers). Plug the Ethernet cable from your...
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Most DNS clients cache the results of name resolution requests. This means that the DNS clients will temporarily store the website names that you have been visiting lately. This process speeds up name resolution if multiple lookups are done to the same address, such as is common when browsing the web. Hence, if you visit Yahoo.com second time, the DNS client will already have the name mapped and hence will retrieve the mapping quickly.
Sometimes a bad DNS entry will be cached and you will...
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127.0.0.1 is the standard IP address used for a loopback network connection. This means that if you try to connect to 127.0.0.1, you are immediately looped back to your own machine, considering that a local server is installed on your machine. 127.0.0.1 is also referred to as “localhost”, meaning ‘this computer’.
If telnet, ftp, etc commands are fired to 127.0.0.1, you would be connected to the very same machine from where the commands are fired. For example, if a system is named...
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A wide variety of Wi-Fi software tools are available. These tools for Wi-Fi perform functions such as: Wireless network discovery Wireless network mapping Wireless network traffic analysis Wireless network RF signal strength monitoring Wireless network encryption cracking Wireless network custom frame generation Dictionary or brute force attacks against wireless networks Denial of Service (DoS) attacks against wireless...
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Every Ethernet card has a MAC address burned-in at the factory. At times, you may want to change this MAC address to one of your own choosing.
The procedures to change a MAC address are specific to each operating system. How to change a MAC address in Microsoft Windows
Under Windows, the MAC address is stored in a registry key. To change a MAC address, find that key with `regedit` and change it. Of course, Microsoft keeps moving the location of the key around!
Windows XP adds an...
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The IP address is a logical address assigned to your network card in order to establish communication over the network and also to identify your computer over it. IP addresses are usually assigned by network administrators based on certain rules and regulations.
Reasons to Change an IP Address
Even if you're part of a small network routed through a single IP address, the people outside your network can see only the IP address of the gateway you're using. If you're connected...
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The Microsoft Windows ARP cache will occasionally become corrupt and need to be cleared.
The first symptom you are likely to notice is that connections to web pages will time out and fail.
If you troubleshoot further, you will notice that you can `ping` your IP address and also 127.0.0.1, but not other IP addresses. Clearing the ARP Cache
To fix this error, you will need to clear the ARP cache. This is done with the `netsh` command:
C:\>netsh interface ip delete...
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192.168.1.1 is an IP address in the private IP address range 192.168.0.0 - 192.168.255.255.
Private IP addresses are special, because they can be utilized over and over again on different networks. In other words, both you and I can have 192.168.0.0/16 networks at the same time.
The downside to this is that private IP address ranges are considered non-routable. That is to say, private IP addresses cannot communicate on the Internet without the use of Network Address Translation...
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The purpose of a DNS server is to enable people and applications to lookup records in DNS tables. Most DNS servers are now private, meaning that they are configured to only provide service to the people and organizations who own and maintain them.
A few domain name servers on the Internet provide DNS resolutions for anyone who requests it of them. These are known as "Public DNS Servers."
Most public DNS servers are public on purpose. A few public DNS servers are public only...
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Cell phone text messages typically use the SMS (Short Message Service) protocol.
Most cellular service providers charge fees to send and receive text messages.
There are numerous methods to send text messages for free, but they vary between cell service providers. Send Free Text Messages by Purchasing the Right Service Plan
Some cell service plans include free text messaging. That is the simplest solution.
To compare cellular carriers , visit our Cell Phone Service Providers...
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