[K12OSN] transparent proxy setup
Patrick Fleming
k12ltsp at rwcinc.net
Thu Sep 4 13:27:55 UTC 2008
Hi Scott,
To allow DHCP you have to open the ports:
http://www.faqs.org/docs/iptables/lettingdhcprequests.html
There is no need to move Squid to another box. DHCP will require the box
to accept addresses not yet in the pool so if you have a rule that
limits access to the server based upon IP you have to loosen ports 67-68.
Scott Steibel wrote:
> I've got k12ltsp running using centos (5.0.0EL -64)
>
> All works fine, except, when I try to run dansquardian with squid as a
> transparent proxy. I used IPtables to redirect request to go thru
> squid to dansguardian then out to the net.
>
> I followed these instructions. http://www.linux.com/articles/113733
>
> The problem seems to be that iptables is bocking either the dhcp or the
> tftp during the workstation boot up.
> When I stop the iptable service on the server, the workstations boot
> right up. But, of course this leave me with no transparent proxying,
> no danguardian.
>
>
> I googled around a bit, These are my questions at the moment.
>
> Seems, like I need to set up a separate box to function as the
> transparent proxy server with squid? Is this true?
>
>
>
> If so, how would I point the ltsp server and the workstatons to this
> separate box.
>
> Any guidance is greatly appreciated.
>
> Scott
>
>
>
>
>
>
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