Re: [Server-devel] Filtering and authentication

2009-04-26 Thread Anna
On Sun, Apr 26, 2009 at 10:51 AM, Reuben K. Caron  wrote:

>
>  A free and simple solution, while not bullet proof (no content filter is
> that I am aware), is Open DNS. They are even CIPA compliant in the US:
> http://www.opendns.com/solutions/k12/
>

That's what I set up for our pilot school, which was very easy as the XS's
DSL connection has a static IP.  OpenDNS provides different filtering
options, which you can customize as necessary.  Being in the US, CIPA
compliance is absolutely vital to retain certain federal funding, and
OpenDNS was the quickest and easiest way to accomplish that.  Dansguardian
can be CIPA compliant, but there are other steps involved and I was wary of
unintentionally running afoul of the rules.
http://dansguardian.org/?page=faq#15  Not to mention Dansguardian consumes
server resources.  OpenDNS doesn't use any server resources and you can
easily configure the filtering to be CIPA compliant.
http://www.opendns.com/solutions/k12/cipa/

As far as limiting the internet connection to authorized XOs, that's an
issue we're probably going to run into at some point once we broaden the XS
deployment.  So far at the pilot school, the staff members connect to the
internet with their personal laptops and iPhones, but I haven't really heard
any complaints of abuse yet.

If your deployment is relatively small, it should be easy enough to add the
hardware addresses of the trusted XOs to dhcpd.conf and disallow unknown
machines (or play pranks on them as suggested at
http://www.ex-parrot.com/~pete/upside-down-ternet.html).

Anna Schoolfield
Birmingham
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Re: [Server-devel] Filtering and authentication

2009-04-26 Thread Reuben K. Caron

Martin Langhoff wrote:

On Sat, Apr 25, 2009 at 11:15 PM, david  wrote:
  

maybe the connection with the public Internet can be pointed to an online proxy 
service so the filtering is done online



That is my strong recommendation. There is little benefit in having
the filtering happening locally, and lots of downsides.  Search the
list archive for 'dansguardian' or 'squidgard' for earlier discussions
on this topic.

  
A free and simple solution, while not bullet proof (no content filter is 
that I am aware), is Open DNS. They are even CIPA compliant in the US: 
http://www.opendns.com/solutions/k12/



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Re: [Server-devel] Filtering and authentication

2009-04-26 Thread Martin Langhoff
On Sat, Apr 25, 2009 at 11:15 PM, david  wrote:
> maybe the connection with the public Internet can be pointed to an online 
> proxy service so the filtering is done online

That is my strong recommendation. There is little benefit in having
the filtering happening locally, and lots of downsides.  Search the
list archive for 'dansguardian' or 'squidgard' for earlier discussions
on this topic.

> Secondly, can we add password authentication to XOs logging on to the XS? The 
> issue is again unauthorised access to the Internet through the XS.

Automagic authentication (no password required, the XO magically
authenticates against the XS) is coming soon in 0.6. It won't prevent
access to the internet, but there are some hopes that I'll be able to
work on that after 0.6.

cheers,



m
--
 martin.langh...@gmail.com
 mar...@laptop.org -- 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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Re: [Server-devel] Eth 1 swap issue 0.5

2009-04-26 Thread Martin Langhoff
Hi David,

great to hear that you're looking after those early XSs! After the
upgrade, the interfaces _may_ be swapped. If that's the case, run
xs-swapnics once and reboot. The interfaces should come up right.
Naturally, you can't do this remotely :-/

cheers,


m

On Sat, Apr 25, 2009 at 11:23 PM, david  wrote:
> Martin et al,
>
> I am about to upgrade the Nauru 0.4 server overnight and want to know about 
> any remaining issues with 0.5, remember there was an issue with having to 
> swap the two Ethernet ports, when Eth0 is used for Internet and Eth1 for the 
> APs?  Or something? Does the latest version 0.5.2 correct that?
>
>
> David Leeming
> Leeming International Consulting
> P.O. Box 652, Honiara, Solomon Islands
> Tel: (677) 76396
> About me: http://wikieducator.org/User:Leeming
>
>
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-- 
 martin.langh...@gmail.com
 mar...@laptop.org -- 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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