[Server-devel] Dansguardian on XS
David Van Assche
dvanassche at gmail.com
Tue Apr 5 11:50:36 EDT 2011
I''ll probabbly get flamed for this but here goes. These are some of the
resons I dont see oppenDNS are as an alternative to aw filter:
- It it usually to restricitive.... kids or admins can of courrse change
this, but then this becomes pertty mu dansguardian.
- Dansguardian uses Baysian logic to filter out of a lot of the seriously
otherwise complex keywords/phrases
- I can STILL be uesd with openDNS, to drive down traffic usage
- It i constnantly bein upfated by no only th3 Christian Community agenda,
but muslim and jewish too...
- IT works absolutely fantastically as a standalone program that uses
tinyproxy and firehol and is maintained by a nice small team of devs )8 at
lasst cound)... The whole frontend works fast and efficiently on a number of
netbooks we teeted at guadalnex.ed
- It has a major set of pre-fabricated recipes which will save techers adn
So--- of u want to use i with OPNDNS u can, an if u choose satnalone vie js
je ehreason .
On Tue, Apr 5, 2011 at 5:04 PM, Martin Langhoff
<martin.langhoff at gmail.com>wrote:
> 2011/4/5 Xavier Carcelle <xavier.carcelle at gmail.com>:
> > Sabes si algunas han installado el Dansguardian on un XO directamente
> > para fitrar XO si no hay XS ?
> No, pero hay una tecnica alternativa:
> 1 - Instala tu propio servidor de DNS que "forwardea" a OpenDNS. Tiene
> que tener una IP publica.
> 2 - Al armar la imagen en olpc-os-builder, agrega un script en
> /etc/NetworkManager/dispatcher.d que cuando se establece una conexion
> de red, evalua si esta en la red de la escuela (en ese caso, confia en
> el XS) o fuera de la escuela (en ese caso, ignora el servidor de DNS
> provisto via dhcp y usa el servidor que has instalado en el paso #1
> Puedo ayudarlos con el script del paso #2 :-)
> -- In English
> for those wanting to provide content filtering both in the school and
> outside, there is a good technique based on running your own DNS
> 1 - Install your own DNS server (configured with "forwarder" line to
> OpenDNS). Must have a public IP address...
Actually, the Gambas2 interface is pretty neat and allows u to put in as
many utf8 lingos as u like, a la pootle... u just have to put a [ ] within
the word to be tanslated... later,.... gambas actually auto does t for u,
> 2 - When building your OS image on olpc-os-builder, add a script in
> /etc/NetworkManager/dispatcher.d -- the script gets called when a
> network connection is established. It must check whether it is in a
> school network (in this case, it trusts the XS to filter) or outside
> (in this case, it ignores the DNS server provided via DHCP, and uses
> instead the DNS server configured in step #1).
> I can help with the script for #2...
Modern versions of XS seem to be moving to using something a little more
hackable than bind.... might be wiorth taking into account...
David Van Assche,
> martin.langhoff at gmail.com
> martin at laptop.org -- Software Architect - OLPC
> - ask interesting questions
> - don't get distracted with shiny stuff - working code first
> - http://wiki.laptop.org/go/User:Martinlanghoff
> Server-devel mailing list
> Server-devel at lists.laptop.org
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