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To use QR codes on your business cards and other things, you'll need a couple of tools. 1st, you need to install a QR scanner app on your phone. Search the net for "QR Reader" and the model of your smart phone to find a scanner app; they're available for the iPhone, Windows Mobile, Nokia, BlackBerry, and other app-based phones with a camera.This free QR icon machine can embed a URL, text, a phone number, or an addressed and ready-to-send SMS message into a QR code.
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by: BarryJensen
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DNS is used by each and every web site on the Internet to route network traffic to the correct IP address. Without operating DNS tools, many things on the internet would not function. You will find resources which are made to aid buyers administer domain names, host names, and IP addresses. In many cases, Internet service providers have easy-to-use web-based tools for buyers to administer DNS.
One more set of equipment required for DNS is for security purposes. Recent DNS-related bugs demonstrated that DNS cache poisoning can be simply performed by hackers. When a hacker has charge of DNS, they can direct network traffic to an invalid address to ensure that users cannot reach the website. Or worse, hackers can reflect traffic to a different site which could be used to steal user names and passwords. Technology such as DNSSEC may be used to help prevent security incidents related to DNS.
Why
It may be very time intensive to manage DNS. For this reason most Internet service providers have DNS tools that make it easy for customers to administer DNS. If it were not for the existence of these tools, users would have to edit configuration files that are not easy to understand. Also, DNS configuration is found in multiple files, so users would also need to figure out which file is right.
Along with basic administration, many buyers require extra security in DNS with technology such as DNSSEC (Domain Name System Security Extensions) in order to make sure their sites are secure from hackers. Without it, hackers might use take advantage of flaws in DNS to divert traffic from one IP address to another. After that, customer information or corporate information might be jeopardized quickly and easily. It does not take much skill to produce a fake website that's virtually identical to the original. Therefore, it's important to use technology like DNSSEC to safeguard DNS from hacker attacks.
How
Most Internet providers have easy-to-use DNS tools so that customers can administer their own DNS configuration. If it was set up via native files, it would be very difficult since the files aren't clear to see. Also, configuration is spread out among a variety of files too.
Besides tools that are useful to the customer's administration of DNS information, many providers also offer optional technology such as DNSSEC (Domain Name System Security Extensions) in order to make sure DNS data remains secure and only altered by authorized individuals rather than hackers.
Where
DNS tools are usually utilized via the web. In the distant past, users would have to go into a text editor to make configuration changes to DNS. Users would also need to understand some DNS jargon as well. That's no longer true. Today, DNS is administered from a web browser with web-based tools.
Depending on the Internet Service Provider, there might be DNS configurations that are best left to the ISP due to complexity. For example, DNS security configuration should probably be left to the ISP except in rare circumstances. It might also be difficult for customers to set up initially as well. In this case, security related DNS taks are best left to experienced ISP personnel.
About the Author
DNS tools are becoming essential for every business. Implementing technologies like a DHCP DNS will allow to to use your IT infrastructure as an asset to improve performance.
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