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If you get the actual IP address of my web server then you can reach my web site. For example for your operating system needs to get the IP address for the “” host name. Every time you run a request for a web site you need to find out the IP address for the host name that you are requesting. Don’t even try to catch up with that.įortunately there is a good approach for filtering web sites that is less intrusive and at the same time easier to implement: DNS filtering. Every second 1.5 new domains are registered. If you instead try to manage a blacklist you would have to get a complete list of bad web sites – not just the dozen sites that come to your mind but the literally over a billion existing domains. If you start managing a whitelist (block everything except a list of known web sites) then you will spend countless hours adding entries to that list because common web sites load their information from various other sources and CDNs (content delivery networks).
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Commercial products do that with a mixture of automated scans and manual moderation with multiple employees categorizing web sites.Filtering HTTPS (which increasingly many web sites use) requires heavily invasive actions that are either unsuccessful or even harm the intended safety of the encrypted HTTP connection (deliberate man-in-the-middle-attack pattern with incomplete or no certificate validity checks).
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Filtering HTTP requires at least a piece of extra software that intercepts HTTP requests and checks them if they are desired (e.g.There is a reason why decent web filtering usually requires commercial solutions that are not affordable to anyone but large companies: it is hard. And installing random software thoughtlessly will easily get tons of adware, spyware and malware on their computers. Phishing emails may trick them to unwanted behavior. Neither are social media sites that make children ruin their lives by posting inconsiderate content. There are essentially three different things that your kids may want from the internet: web surfing, email and installing software. But what could possibly happen? What to control? Excuse me? It appears that most people have no idea what’s going on on the internet. He completely lost me when he claimed that getting a Facebook account is no big deal – it’s completely free. Yes – those are the people who are responsible for teaching our children media competency. Do the other parent really not care at all? And at the last parent teacher conference the class teacher told me that he announces everything class-related through his Facebook page. Recently my son (5th grade) claimed that other kids in his class were already allowed to use the internet.
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But how do you avoid that your kids inadvertently find their ways into the less-desirable 90% of the internet? Read on about how to get the best results with adequate effort. In my opinion there’s nothing wrong with digging through your pile of old hardware and assemble a reasonably good PC from it for your 10 year-old. There comes a time in a nerdy parent’s life when you happen to have kids that are old enough to get interested in using the internet.