Web Content Filtering - What Does It Actually Mean?
To answer that question, let me begin by taking you back in history a bit, to catch-up!! Did you know that WWW as we know it today, has evolved out of an "Internet", that was originally conceived much differently. Yes, exchange of information and files was always there, but it happened rather differently! In fact WWW evolved much later than emails. Naturally security issues and solutions have also evolved, in the same foot-steps. We started using anti virus to check content of emails, and SPAM filters, etc. to manage the nuisance created by unwanted emails, cumulatively we relate to these two as content filtering for emails. Nearly similar situation presents itself today, as we access the WWW, and we use web-content filtering, to safeguard ourselves. The entire evolution actually happened on two fronts (or layers as we call them technically) actually. The Network and the Application. Routers were built to inter-connect various networks; and Firewalls were built to ensure th...