[K12OSN] differentiated internet filtering by grade level question
dtrask at vcsvikings.org
Thu Jan 12 02:57:05 UTC 2006
I'm doing filtering by groups (grade levels) using DansGuardian.....I use
an SME sever (www.contribs.org) and the Dungog dansguardian package.
"Support list for opensource software in schools." <k12osn at redhat.com> on
Wednesday, January 11, 2006 at 9:27 PM +0000 wrote:
>Jesse McDonnell wrote:
>> I'm a high school librarian and have a question on whether anyone is
>using the same proxy server and filtering software to provide different
>filtering to students at different grade levels. Everyone in the
>district currently goes through the same proxy server and has the same
>level of filtering. All Web-based email is blocked as are file transfer
>sites like yousendit. We're having an ongoing discussion of the filtering
>policy and how much of a threat web-based email presents.
>> I have an override account on the BESS filter so students in the
>library can access their email to download large files they are
>transferring back-and-forth between home and school when students don't
>have jump drives. When they are in the computer lab or using wireless
>laptops in the classroom they are unable to do it since I'm the only one
>in the building with an override. I'm wondering how difficult it would be
>to have everyone in the high school go through a different (or aliased)
>proxy IP that would have unfiltered access to webmail.
>> We are in a windows enviroinment and using BESS (N2H2) filtering
>software. IP addresses are assigned by a Windows DHCP server. We don't
>use roaming profiles. Students don't have email accounts through the
>school district and account names are of the form
>GraduationyearLastnameFirstinitial (06smithj is joe smith graduating in
>2006). When they login the start menu and the apps available are mapped
>from a folder on one of the servers. So it would simple to change the
>proxy IP address in IE for all high school students.
>> How best to deal with this situation....?
>> Jesse McDonnell
>I'm not sure if Bess supports this or not, but a number of filtering
>proxy systems, ranging in price from free to very-not-free, handle
>transparent NTLM authentication and filtering, which would give you the
>ability to create a different set of ACLs based upon the organizational
>unit of the user requesting a website. We've been using a
>remotely-hosted Bess solution, but are turning away from it in favor of
>the more granular control I mention here along with the advantage of
>having a large caching proxy at the edge of our network.
>Upon further examination, it would appear that Bess supports this as well:
>The more I look at the n2h2 site, the more Bess looks like a very
>well-configured Squid with SquidGuard. Does anyone have any insights as
>to whether or not this is the case?
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David N. Trask
Vassalboro Community School
dtrask at vcsvikings.org
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