Re: Limiting internet access by time

From	Lisi Reisz <lisi.reisz@gmail.com>
Newsgroups	linux.debian.user
Subject	Re: Limiting internet access by time
Date	2016-08-05 13:10 +0200
Message-ID	<s2LaO-6JM-9@gated-at.bofh.it> (permalink)
References	<s2AS5-af-3@gated-at.bofh.it> <s2KRs-6ky-15@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Friday 05 August 2016 11:40:28 Brian wrote:
> On Fri 05 Aug 2016 at 00:02:40 +0000, Mark Fletcher wrote:
> > On a stretch box I have, I want to allow access to the Internet between
> > the hours of 9am and 9pm and block it between 9pm and 9am. Ideally allow
> > local network access throughout but block Internet access between 9pm and
> > 9am, but I can accept total network blockage in the off times if
> > necessary.
>
> Your ideal is achievable.
>
>   ip route del default via <gateway_IP>
>
> Plus a cron job.
>
> > The machine is used as a desktop, so it is not up all the time. It might
> > be brought up before 9am, in which case it should come up blocked and
> > unblock at 9am, or it may be brought up after 9am, in which case it
> > should come up unblocked and block if it is still up at 9pm. Time
> > precision isn't important.
>
> If it came up unblocked before 9am cron could see to it that blocking
> happens.
>
> > An ideal solution would allow dhcp updates, ntp etc to continue but block
> > any normal user access eg web browsing etc.
>
> How essential is this? cron could
>
>   ip route add default via <gateway_IP>
>
> at specific times between 9pm and 9am and then remove the default route.
> If the machine isn't up all the time it seems unnecessary to me.

Perhaps he wants to stop his children/grandchildren/house guests surfing the 
web at 3:00 am.  

Lisi

Thread

Limiting internet access by time Mark Fletcher <mark27q1@gmail.com> - 2016-08-05 02:10 +0200
  Re: Limiting internet access by time Lars Noodén <lars.nooden@gmail.com> - 2016-08-05 09:30 +0200
    Re: Limiting internet access by time Mark Fletcher <mark27q1@gmail.com> - 2016-08-05 17:40 +0200
  Re: Limiting internet access by time Brian <ad44@cityscape.co.uk> - 2016-08-05 12:50 +0200
    Re: Limiting internet access by time Lisi Reisz <lisi.reisz@gmail.com> - 2016-08-05 13:10 +0200
      Re: Limiting internet access by time Brian <ad44@cityscape.co.uk> - 2016-08-05 16:10 +0200
        Re: Limiting internet access by time David Wright <deblis@lionunicorn.co.uk> - 2016-08-05 18:00 +0200
        Re: Limiting internet access by time Mark Fletcher <mark27q1@gmail.com> - 2016-08-05 18:00 +0200
          Re: Limiting internet access by time Dan Ritter <dsr@randomstring.org> - 2016-08-05 19:50 +0200
            Re: Limiting internet access by time Brian <ad44@cityscape.co.uk> - 2016-08-05 21:10 +0200
              Re: Limiting internet access by time Brian <ad44@cityscape.co.uk> - 2016-08-06 03:40 +0200
            Re: Limiting internet access by time Mark Fletcher <mark27q1@gmail.com> - 2016-08-06 07:30 +0200
              Re: Limiting internet access by time Dan Ritter <dsr@randomstring.org> - 2016-08-07 03:00 +0200
                Re: Limiting internet access by time Mark Fletcher <mark27q1@gmail.com> - 2016-08-07 05:40 +0200
                Re: Limiting internet access by time Brian <ad44@cityscape.co.uk> - 2016-08-07 20:20 +0200
                Re: Limiting internet access by time Mark Fletcher <mark27q1@gmail.com> - 2016-08-08 02:10 +0200
                Re: Limiting internet access by time Dan Ritter <dsr@randomstring.org> - 2016-08-09 19:30 +0200
                Re: Limiting internet access by time Stefan Monnier <monnier@iro.umontreal.ca> - 2016-08-09 21:20 +0200
                Re: Limiting internet access by time Dan Ritter <dsr@randomstring.org> - 2016-08-10 15:40 +0200
                Re: Limiting internet access by time Stefan Monnier <monnier@iro.umontreal.ca> - 2016-08-10 17:00 +0200
                Re: Limiting internet access by time Dan Ritter <dsr@randomstring.org> - 2016-08-10 18:10 +0200
                Re: Limiting internet access by time Stefan Monnier <monnier@iro.umontreal.ca> - 2016-08-10 22:40 +0200
          Re: Limiting internet access by time Brian <ad44@cityscape.co.uk> - 2016-08-05 20:50 +0200
            Re: Limiting internet access by time Mark Fletcher <mark27q1@gmail.com> - 2016-08-06 07:30 +0200
      Re: Limiting internet access by time Mark Fletcher <mark27q1@gmail.com> - 2016-08-05 16:30 +0200
        Re: Limiting internet access by time pv29@gatech.edu - 2016-08-08 01:10 +0200
          Re: Limiting internet access by time Curt <curty@free.fr> - 2016-08-08 09:00 +0200
            Re: Limiting internet access by time pascalv@sdf.org - 2016-08-08 10:30 +0200
              Re: Limiting internet access by time Karol Augustin <karol@augustin.pl> - 2016-08-08 12:00 +0200

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