Hello List
Just from my (not too recent) experience with the Birmingham deployment:
There are two competing interests:
- As long as the Board of Education (BoE) receives federal funds under the No
Child Left Behind Act they are responsible for providing internet only in a
filtered manner (certified, lots of signatures and red tape ...). The
Birmingham BoE is *very* broke so they rely on these funds. Effectively this
means upstream filtering in the BoE's IT department's realm (this also helps
them - gets abused for - demands for additional funding).
- To provide a cost effective solution (without lots of additional funding for
overhead / BoE infrastructure) the XS could provide a filtering solution of its
own and thus provide a daring principal with a way of providing parallel
infrastructure just for XO/XS purposes.
This means as long as the BoE does not agree to a two tiered IT infrastructure
(which they in my opinion can't), DansGuardian is not needed. Yet it might be
helpfull in increasing acceptance for olpc products in a less messed up
environment.
In previous discussions I understood that olpc did not want get in a place
where it could be held responsible for content filtering (with no resources and
mandate to manage the servers remotely a very understandable stand). I do
think though that olpc can only provide the tools currently available and
should not worry too much about whether local admins put them to good use.
(And I personally favour Brasil's teachers union's stand to turn filtering off.
Life filtered is not life. Encounter the problems, use them for contents of
lessons, and get on with reality.)
just my 2cts (and keep up the great work!)
Stefan
Btw: I just relocated from Alabama to Germany for job reasons and have no
personal stakes in the Birmingham deployment (nor any other deployments for
that matter).
> Date: Tue, 7 Oct 2008 20:06:25 +1300
> From: [EMAIL PROTECTED]
> To: [EMAIL PROTECTED]
> CC: server-devel@lists.laptop.org; [EMAIL PROTECTED]
> Subject: Re: [Server-devel] DanGuardian and XS Plans
>
> On Tue, Oct 7, 2008 at 4:17 AM, John Watlington <[EMAIL PROTECTED]> wrote:
> > In existing deployments (not trials) content filtering
> > is being done upstream in the internet connection.
>
> Interesting! I didn't know that -
>
> > Content filtering is a very sensitive subject, and any
> > offering made by OLPC should make it VERY CLEAR
> > that the country is responsible for the filtering -- both
> > the initial setup and maintaining the filter.
>
> Yup. And also very clear that we believe that filters are quite leaky
> -- meaning that they will have problems with it, and a plan / process
> to deal with it. Some local teams may find planning for such
> situations hard.
>
> > Squid has been supported since build 161, long before
> > Martin started wholesale improvements. Easier to install ?
> > Right now you have to type one command line:
> > /etc/sysconfig/olcp-scripts/TURN_SQUID_ON
> > to permanently enable Squid. This was done simply
> > because not all installation will want it.
>
> Yep - TURN_SQUID_ON works well on the current xs-0.5 dev version.
> However, I'm not very happy with it due to memory footprint, and
> considering replacing it with a apache + mod_cache_disk which - from
> what I've seen - plays to the strengths of linux's disk i/o handling.
>
> cheers,
>
>
>
> m
> --
> [EMAIL PROTECTED]
> [EMAIL PROTECTED] -- School Server Architect
> - ask interesting questions
> - don't get distracted with shiny stuff - working code first
> - http://wiki.laptop.org/go/User:Martinlanghoff
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