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Published by on Monday, January 5, 2015 at 4:34:00 PM

Building a Secure Ethernet Network

Ethernet CardBy Andrew Stratton - What is Ethernet? - When building a secure Ethernet environment, it's important to first understand what a network is and how it works. When two devices are able to send and receive information to and from one another, they have formed a network. The most obvious example of this is the Internet, which links computers around the world. Smaller ones include the check in kiosks at the airport where you print your boarding pass or the digital card catalog at the library, which helps you find the publication you're looking for.

The Ethernet cable is one of the most widely used technologies in the world. It works by sharing communications through the cable. Once a device is attached to the cable, it can communicate with any other device that's also attached without modifying either. For example, two computers can be connected to each other and a single printer they can both send documents to. Most of the time, when we discuss Ethernet cables we are talking about connecting to the Internet. You can recognize your cable by finding the blue cord that goes from your modem to your computer or wireless router.

How to Build and Maintain a Secure Ethernet Environment

1. Always make sure you change the default password on all products. Whether you're connecting to other machines in your home, office, or the World Wide Web, always customize your passwords. The default codes are often posted on the Internet or available in owner's manuals.

2. One way to secure switch points is to physically lock them away where only authorized personnel have access to them. This is especially important for businesses. Because the equipment is usually set up to enable a restoration of factory settings in the event that the password is forgotten, you'll want to make sure that no one can touch it. Leaving switch points in an unsecured location risks someone getting into your network without your permission.

3. Use a firewall. A firewall is a device that seeks to provide security from outside intruders who are trying to get into the protected network. The firewall can either be an appliance (hardware) or a program (software). It works by examining each packet (which is a formatted unit of data carried through the network) and comparing the packet to access rules set up by the administrator. If the packet meets the standards, it is allowed to pass through. As the packet passes through, the internal IP address is hidden and disguised with an address outside the firewall.

4. Keep your computers clean. If one of them becomes infected with malware, they all become vulnerable. Think about it like a family sitting down to dinner. It's great because you can all talk to each other and share information, but if one of you gets the flu, you're all likely to start sniffling.

There are several easy steps businesses and home offices can use to make sure they have a secure Ethernet network, but often passwords, firewalls, and computer security fall by the wayside. Understanding how your computers are linked and how to keep them safe will keep you productive and your information confidential.

When considering secure Ethernet, Kalamazoo residents visit CTS Telecom, Inc. Learn more about this product at

Article Source: Building a Secure Ethernet Network
Published by IzajAhmed Shaikh.
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I am, Mr. IzajAhmed Shaikh, Computer Professional, and Pro. Blogger, who belongs to Shahabad, Karnataka India. My basic Qualifications are B.Sc., and M.C.M. done from University of Pune, formerly known as, Poona University, also like to write articles based on my personal experiences.