Mailinglist Archive: opensuse (3337 mails)

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Re: [SLE] How to do Internet access restriction?
  • From: Mike <kenziem@xxxxxxxxxxxx>
  • Date: Sat, 8 Apr 2006 20:08:19 -0400
  • Message-id: <200604082008.19328.kenziem@xxxxxxxxxxxx>
On Saturday 08 April 2006 5:07 pm, Grant Lawsky wrote:
> Why not block all ports except 80 and 443 for that host during certain
> times during the day?

I've just added an entry such as

127.0.0.1 www.ebay.com

into /etc/hosts

So far it has saved me a bundle.

A simple cron job could be used to swap the file if you want to permit it at
certain times.

mv hosts.bac hosts.tmp
mv hosts hosts.bac
mv hosts.tmp hosts


> -----Original Message-----
> From: Vince Littler [mailto:suse@xxxxxxxxxxxxxxxxxxxxxxxxx]
> Sent: Saturday, April 08, 2006 4:26 PM
> To: suse-linux-e@xxxxxxxx
> Subject: Re: [SLE] How to do Internet access restriction?
>
> On Saturday 08 April 2006 16:44, Ronald Wiplinger wrote:
> > My son, 13 years old, likes to play on-line game. For the sake of the
> > school, I have to limit it. If I just ask him to turn off the
> > computer, he will certainly tell me that he needs the computer for
>
> school.
>
> Then he wins.
>
> > I would like to trick the dns!!!
> > I want to update the dns for his computer for certain hours to access
> > the on-line game or not.
> >
> > Dynamic DNS would be something I could imagine would work.
> >
> > From the dns log I know which destinations he need. I want to divert
> > these destination to a certain web site (if it access a web site).
> > Or make a bandwidth restriction to certain hours would be another
>
> choice.
>
> > My concern is, that only the games are restricted, but not any web
> > site he might need for school.
> > I want to make this on the server!
> > Any ideas?
>
> Avoid this approach. OK, this is a Linux list and the reasons for
> avoiding this approach are probably off topic, but in essence you are
> putting yourself in a position of controlling someone who is becoming an
> adult and who needs to learn to control himself. By constraining what is
> possible, you are teaching that anything which is possible is
> permissible. That's a bad lesson, and you should be prepared to
> sacrifice all the schoolwork in the world to avoid teaching it.
>
> It's a familiar question, and you are a good deal more open about it
> than many
> - I have several times seen it, without a child being mentioned, and
> someone replies and mentions 'your child' - at which other posters say
> 'what child' - and then it turns out to be a child who is being
> controlled, sometimes a 17 year old. And then the thread goes sour, when
> someone says 'perhaps you should not try to exercise control in this
> way' and the original poster says 'who the hell are you to tell me how
> to bring up my child?'
>
> At 13, you might think it is appropriate to do control by technical
> means, but then you will need an exit strategy over the next few years
> during which you will be working through all the things you need to work
> through now, only a few years late, with a more resentful son. Or you
> could let him leave home, go to college at 19, never having exited from
> this control at home, and he will not have learned self discipline, with
> predictably bad consequences.
>
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--
Collector of vintage computers http://www.ncf.ca/~ba600
Machines to trade http://www.ncf.ca/~ba600/trade.html
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