Seems solved, we were missing a NAT rule for the IPSec subnet, squid handling 
via NAT will be looked at later ;-)

Am 08.02.2012 um 12:32 schrieb "Fuchs, Martin" <[email protected]>:

> Hi again !
> 
> Now we have established a tunnel with our mobile ISP.
> The tunnel config is as follows:
> 
> Local subnet: 0.0.0.0/0 and the remote subnet is 172.17.5.0/24
> The intention is that ALL traffic from the mobile device is routed thru our 
> pfSense.
> Traffic to our local subnets 10.x.x.x works fine, but traffic to WAN 
> (anything except 10.x.x.x) does not work.
> It seems to me as there is missing a route, because how should the tunnel 
> device (mobile device) know where to route the rest of the traffic (except 
> 10.x.x.x) ?
> But can I only add a route for physical devices or does pfSense automatically 
> know the routing ?
> The tunnel is established over IPSec...
> 
> (mobile) --- (CDA-Provider) --- (tunnel) --- (pfSense) --- WAN
> 
> Now the question is how to pass the traffic from the mobile device thru the 
> pfSense to WAN and back ?
> 
> I simply do not get it working :-(
> 
> I'm happy for any ideas...
> 
> Regards,
> 
> Martin
> 
> 
> -----Ursprüngliche Nachricht-----
> Von: [email protected] [mailto:[email protected]] 
> Im Auftrag von Fuchs, Martin
> Gesendet: Freitag, 3. Februar 2012 16:34
> An: pfSense support and discussion
> Betreff: Re: [pfSense] squid over ipsec dial-in
> 
> Hi !
> 
> I'l have to wait now until Wednesday when our ISP will establish the IPSec 
> tunnel and then we'll try further ;-)
> 
> Thanks so far,
> 
> Martin
> 
> -----Ursprüngliche Nachricht-----
> Von: [email protected] [mailto:[email protected]] 
> Im Auftrag von Jim Pingle
> Gesendet: Donnerstag, 2. Februar 2012 17:12
> An: pfSense support and discussion
> Betreff: Re: [pfSense] squid over ipsec dial-in
> 
> On 2/2/2012 10:32 AM, Fuchs, Martin wrote:
>> For OpenVPN you mean assign the OpenVPN as a interface under interfaces -> 
>> assign ?
>> Sounds reasonable...
> 
> Yep. When it's assigned there you can do NAT (inbound or out) and even listen 
> on the interface.
> 
>> But how would I do such a port forward inbound ?
>> I tried to setup a NAT rule "from IPSec to any dst tcp 80 forward to 
>> 127.0.0.1:3128" but it seemed it did not work (but perhaps I missed sth...) 
>> But that would be the right way, correct ?
> 
> Sounds about right. I've never tried that so I didn't know if it would work, 
> but I suspected it wouldn't given the history of IPsec+NAT.
> 
> Jim
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