How to help children avoid the dangers of internet [closed]

"Software4Parents.com's Top 5 Internet Safety Tips

Tell your child to NEVER EVER reveal their name, address, phone number or any other personal information to ANYONE online. Once you give out this information, it is impossible to retract.
Communicate regularly (not just once) with your child about WHAT they do online and WHO they talk to online. If you have actually met the friends they are talking to in person, you'll know it is OK for them to chat with them online.
Take computers out of children' rooms and put them into public areas such as the family room. Many parents think they are helping with homework by giving the children a computer, but it also opens certain dangers that you may be unaware of.
Choose your child's screen name, email address or instant message name wisely - don't' reveal ages, sex, hobbies, and CERTAINLY NOT suggestive or sexy names. Predators are more likely to pursue a child with the screen name ""sexyteen5"" than ""happygirl5""
Use technology to help you protect your child. Monitoring software gives you the ability to review your child's Internet usage. Even if you don't look at each and every email or instant message they send, you'll have a good idea if they are making smart choices online."

"My niece's school recommended K9 Web Protection which is a free content filtering service. This is very easy to set up and allows you to deny or permit sites by category.

Another option is Open DNS.

Both of these are discussed at the Gizmo's Freeware site.

...and of course, having the computer in a public part of the house."