Saturday 12 January 2013

How to filter unwanted Internet information

Best software to filter websites:

Many times, the internet can be used in ways not appropriate. Especially when we have children at home, it is necessary to facilitate access to internet now for schoolwork but also want to ensure that not entering content not suitable for their age. Here is a small guide how.

Internet is a powerful tool, and now has become indispensable both for studies, work or social life. You can find information of any kind on the Internet, from book reviews, music videos or any field of scholarly articles.
Unfortunately, it is also very easy to encounter unwanted or harmful information.
Whether you have children at home using our own computer or internet we have placed within reach of people with whom we work: often useful to make sure that there are certain things for which your computer will not be used.

How to block Web content? :

The best way to block unwanted content is through a program of control and monitoring. They work in various ways: by positive and negative lists of websites or blocking certain keywords.

The website lists let you configure which pages or domains can not be opened from the computer (negative list) or alternatively provide a list of addresses that will be the only ones capable of opening (positive list).

While the negative lists are very useful in the child protection environment, it is important to remember that this list should be updated regularly.

Positive lists are used in certain workplaces where there are certain pages normally used in daily tasks but do not want employees "wasting time" surfing other.

The keyword blocking causes the system to identify websites that contain certain terms (such as "sex", "porn" or "liquor") and do not allow open. This has some problems: since only these specific words are identified and their context, may become blocked many innocent pages, for example, the official website of a supermarket with a list of offers in the "spirits".

Also, when searching for specific words and not only its approximate, may anyway might leak some page harmful, disguised as pornography.

What programs I can use to block websites? :

In the case of protecting children from the house, the latest versions of Windows (Vista and up) have a simple herran called Parental Control.

You can access it via your control panel, under the heading User Accounts and Family Safety. Its interface is quite friendly, and can handle both positive and negative lists, keyword blocking, and monitor how many hours children spend connected to the internet and the history of their visits.

Besides this, there are other programs that are available that allow more complex options.

Among the free we Softonic Gdata Internet Security, which can be downloaded from the internet. There are also so paid, the Norman Security Suite (which can also be used in companies) or NetNanny, which not only has versions and Mac PC but also to monitor or smartphone smart phones.

In any case, there are many options which protect us from unwanted or harmful content on the Internet. It is important that everyone analize what they want to allow and what not, and set the options of the filters as needed.

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