December 2002 — EduHound Extra
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Web Site Filtering
According to the U.S. Education Department’s National Center for Education Statistics Web site
(http://nces.ed.gov/pubs2002/internet/8.asp): “Given the diversity of the information carried on the Internet, student access to inappropriate material is a major concern of many parents and teachers. Moreover, under the Children’s Internet Protection Act (CIPA), no school may receive E-Rate discounts unless it certifies that it is enforcing a policy of Internet safety that includes the use of filtering or blocking technology.”
As we all know, this generation of young adults is cyber-savvy. They know all the cool sites and interact with them on a daily basis. This poses a problem when it comes to students having access to the Internet within a school district. Adult, gambling and auction Web sites are some obvious examples of what is inappropriate for children. Also, you have pop-up ads that distract students from doing work online to better their education. This is why filtering software was created. Web site filtering is the selection of Internet or Web site content deemed acceptable for viewing and/or prohibiting the viewing of objectionable Web content.
The following practicable strategies and advice come courtesy of Tim Howes, director of support services and technology at East Windsor Public Schools in Connecticut, who is currently addressing this important issue within his own school district.
Considerations
If you want to run filtering software from a central point on the network, you will need a filtering server. There are two types of these servers: dedicated “white box” servers that only handle filtering and “open” servers that can do more than just filter. White box servers only serve the task of filtering Web sites. They usually come with a simple user interface that allows a quick and easy set up. The open server is basically an NT, Linux or Novell server running compatible filtering software. Because it is an open server, set up can take more time, but the server can perform more tasks for the network. Make sure that the filtering server is the only point of presence in and out of the Web, so no one can go around the filtering server to get to the open Internet. This is why you want two network cards in the server — one on the LAN side and one on the WAN side — so the filtering software will create a barrier by sitting between the two sides.
Benefits:
