Avert your eyes! 4 Net filters reviewed



Avert your eyes! 4 Net filters reviewed Always a contentious topic, we look server-based Internet content filters and some of the reasons why your organisation might want one, or not.

  Internet content filters
 Main uses

  Computer Associates
  Symantec
  Trend Micro
  WebSpy

 Specifications
 How we tested
 Sample scenario
 Editor's choice
 Final words
 About RMIT

Whichever way governments, vendors, operators, and those that support content filtering on the Internet put it forward, it all boils down to third-party control over information. Because the Internet is such an unregulated global information conglomeration, defining who that third party should be and how it should act in controlling that information is a bomb waiting to explode.

Undeniably someone needs to stand up and be the sheriff in this global frontier, but who? And because it affects the global community, not just a single set of users, then how? Has the time come to turn off the Internet or make a wholesale upgrade?

The arguments on this subject are endless and emotionally charged. The impending changeover to IPv6 may provide the opportunity to also start applying some international laws and standardised regulations on content.

(In case you were not aware, the Internet system inherently runs on series of unique numbers called IP addresses, which consist of four eight-bit digits (from zero to 255). This allows just under 430 million different addresses, and when the Internet protocol was created, the innovators thought that there would never be a call to use all the numbers available. Hmmm, another great IT mistake. The time of saturation is upon us -- it has been for quite some time now -- so shortly many services will be moving from IPv4 to IPv6. Apart from addressing the potential for running out of numbers again in a hurry, it also has additional features that can be used for traffic control.)

Content filters have surreptitiously crept into the digital landscape over the past year or two, generally under the guise of being added features packaged with antivirus, firewalls, or spam filters (and other traffic inspection systems such as these). Depending on the operator's incentive or need for deploying such tools, there is even perhaps a valid reason for all the posturing and positioning of the filtering products. Indeed, some organisations may even be justified hiding them in clandestine locations to spring on the unwary.

Whether you believe it or not, many people actually take their privacy for granted and would not like to think their online experiences and antics on the "anarchic" Internet could be traced, tracked, logged, or even -- shock horror -- controlled. The truth is that these products do exist and have been readily available for quite some time. Incorporating powerful feature sets, they enable the administrators to log virtually every aspect of the users they are able to control.

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