Hi Dan,
DNS resolves human readable names to IP addresses.
eg: www.clug.ca = 64.34.11.150,
www.google.ca resolves to several IP addresses - one of them is
74.125.127.147
If you 'break' DNS functionality, your computer will be unable to resolve
the name into an IP address and will not know where to connect to
(effectively blocking access).
Opendns allows you to selectively block/allow dns lookups for specific
entries. So you can allow www.goodsite.com to resolve, but block
www.nodaughterofminegoeshere.com. I do not know if opendns will allow
you to block all except a whitelist or not.
The best solution probably depends on the scope of monitoring/blocking you
desire.
If you expect the laptop to remain on your own LAN - you could put a web
proxy at your gateway to get more granular filtering and monitoring, and
will take a bit more effort for them (or one of their more technically apt
friends) to figure out a way to get around it. Make sure your neighbour's
wireless is secured... ;)
Alternately, or additionally for a layered approach, I found one example
where the parent installed squid on the local machine:
http://magazine.redhat.com/2007/08/31/how-to-use-squid-as-an-easy-web-filter/
----- Original Message -----
From: "Dan Mueller" <[email protected]>
To: <[email protected]>
Sent: Tuesday, May 05, 2009 1:13 PM
Subject: [clug-talk] INTERNET BLOCKING
I looked at the mozilla idea and did some reading up and it would seem that
its not quite ready for that yet. And as for my 3 daughters, they as of
yet
wouldn't know how to go around the browser.
What is the deal with the dns thing. Keep in mind that im like cornel
klink. I KNOW NOTHING!!
Dan
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