Parental Filter is a porn blocker. It specializes in blocking porno websites nothing more, nothing less. Sometimes children come over your house and they say can we go on the internet, and you think what if porno sites start popping up. This stops that from happening. Parental Filter is automatic, you just turn it on and porn gets blocked. You may have children who are getting curious about the Internet and don't want them exposed to material that may adversely affect them in the future. Parental Filter is here to help.