[ale] selective DNS server for DHCP clients?

[Pete Hardie]

I know that I can specify a DNS server by device MAC - I use that now for
my DVRs, since they need to spoof the (now defunct) ReplayTV servers for
guide data
(actually, the ReplayTV servers are still up, but they were going to be
decomissioned, so the community developed a replacement, and I switched to
it rather than forget
what I needed at a later date should the holding company decide to shut
them down)

Pete Hardie
--------
Better Living Through Bitmaps


On Wed, Feb 27, 2013 at 2:45 PM, Ron Frazier (ALE) <
atllinuxenthinfo at techstarship.com> wrote:

> Hi Pete,
>
> Can you even alter her laptop to redirect it's DNS?
>
> Assuming her computer sees your router as its primary gateway, you could
> set up an OpenDNS account (free), set the router to use that as it's DNS
> server, rather than the cable / dsl provider, then block the sites you
> don't want on your network.  The number you can block is limited with the
> free account.  I think you can do 50.  This will block those sites all the
> time for everyone.  If you wanted to allow access to some, you'd have to
> log into the control panel and turn them on.
>
> This will not require any changes to her computer.  She'll be able to to
> bypass the block if she could A) change her dns settings, B) use a vpn, C)
> use a proxy, D) access web sites by IP address, sort of, or E) boot a Linux
> CD / USB stick which she has complete control over.  OpenDNS will let you
> block categories of sites, including proxy's.  It will catch about 90 - 95%
> of sites in that category.  You can also block things like porn, etc.
>
> Some routers have parental control functions you can activate.  Perhaps
> you could set them to only react to her MAC address and / or only at
> certain times.
>
> I have multiple wifi routers in my house for myself with throttled
> bandwidth (which I use when my wife is working at home), myself with
> unlimited bandwidth (which I use when she's not there), and my wife.  You
> could have a router just for your daughter, and set limits on it however
> you want.
>
> If you have multiple routers, you can wire each of their WAN ports to the
> LAN ports of a master router, which then connects to your cable modem or
> dsl modem (through its WAN port).  You can attach shared printers, etc.,
> that everyone needs access to on the master router.
>
> Sincerely,
>
> Ron
>
>
>
> Pete Hardie <pete.hardie at gmail.com> wrote:
>
> >Hello all,
> >
> >After another round of disagreements concerning homework, I've
> >determined
> >that my daughter can't resist the lure of time-wasting Internet sites.
> >The
> >wrinkle is that she has a school-issued laptop, so I can't install
> >anything
> >on it to block access to the time-sinks.  So here's what I think I can
> >do,
> >and I need to know if it's possible:
> >
> >I already have a DHCP server on my desktop, providing fixed IPs and a
> >different DNS server for my ReplayTV boxen.  I'd like to target her
> >laptop's DNS to one running on my desktop, without using that one as my
> >desktop's DNS (I can use the router)
> >
> >I also need a good tutorial on DNS servers - I have dnsmasq, which
> >seems
> >like it might work for my purposes - have the sites I need to block be
> >mapped to 127.0.0.1 for her laptop, while letting the rest to resolve
> >normally
> >
> >So is this feasible?  If not, is there a good alternative?
> >
> >TIA,
> >
> >
> >Pete Hardie
> >--------
> >Better Living Through Bitmaps
> >
> >
> >------------------------------------------------------------------------
> >
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>
> --
>
> Sent from my Android Acer A500 tablet with bluetooth keyboard and K-9 Mail.
> Please excuse my potential brevity if I'm typing on the touch screen.
>
> (PS - If you email me and don't get a quick response, you might want to
> call on the phone.  I get about 300 emails per day from alternate energy
> mailing lists and such.  I don't always see new email messages very
> quickly.)
>
> Ron Frazier
> 770-205-9422 (O)   Leave a message.
> linuxdude AT techstarship.com
>
>
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