[K12OSN] transparent proxying with LTSP

Brad Johnson bjohnson at independence.k12.ia.us
Thu Feb 23 17:12:26 UTC 2006

On Feb 23, 2006, at 10:28 AM, Mike Ely wrote:

>> Ok guys, after a little googling, here is what I came up with.   
>> Now, before I do this, please know that I am not currently running  
>> ANY type of firewall on this LTSP box.  If I create the following  
>> entry, do I need to then create additional entries to allow other  
>> types of traffic?  I don't want my LTSP box to stop working  
>> because of the following rules:
>> iptables -t nat -A PREROUTING -i $INTERFACE -p tcp --dport 80 -j  
>> DNAT --to dansguardian/squid box:8080
>> Someone please tell me it's this easy!
> Actually, it's easier.  I've been running ipcop for a while here,  
> and really you can just let 'er rip - don't bother with that  
> ruleset. Install the advproxy and urlfilter mods for ipcop ( http:// 
> www.advproxy.net/ ), turn on "transparent mode" for the proxy, and  
> you're golden.  If you set the ports the way you have indicated,  
> you will break pages that specifically run on port 8080...
> Cheers,
> Mike
Ok, so here's what I've got......

LTSP network connects to LSTP server--connects to remainder of LAN-- 
connects to Internet.  Where do I put the IPCop Box....do I put it  
directly between LTSP and the remainder of the LAN?



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