[nSLUG] How to make users from certain subnets go to a voting website?
budman85 at eastlink.ca
Fri Feb 6 12:31:58 AST 2009
> D G Teed wrote:
>> At our institution, we already use Netreg for authenticating users
>> to add their own hardware to our host management (inserts them
>> in dhcp tables and issues a useful DNS rather than a DNS which
>> directs them only to the Netreg site).
>> Now we have a request from the student union to do something similar
>> for a voting website. They want all students to be forced to visit
>> a web page and vote before they can do anything else on the network.
>> I can't see how we could do this and keep netreg and our host management
>> system working.
>> It is expected to be enforcing only in common areas, residences, and
>> such subnets
>> which would not effect business functions.
>> I'm not sure if there are other solutions to a problem like this,
>> perhaps in router
>> set up, proxy, etc. Has anyone worked on a problem like this before
>> or have an idea how to tackle it?
> I would look into Squid proxy server.
> It can be setup for passthru transparent proxy.
> You would need to make it the new gateway.
> Can help with web too - add caching.
> You can check the requestor IP coming in,
> and redirect tot he voting server/app.
> However, you would need some
> type of cookie to keep track of who voted.
> Maybe check that before redirecting.
> I think it would be like content filtering,
> where you log web site access and can
> deny certain sites - NetNanny or SurfPatrol... etc..
> So something like:
> Users -> SquidProxy -> VotingApp if applies -> Main Gateway
> The DHCP would need to be updated with the squid GW,
> that way you can keep the main GW. I would also restrict
> access from the main GW to only the Squid GW, avoid bypass.
Here is a site that uses Squid-Cache and PHP to test when to redirect
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