On 21 Jul 2009, at 11:54, Kenn Humborg wrote:
>> Traffic is download mostly - which at least is a bit reassuring.
Not really - see what Kenn says later about port scans etc. Any such
incoming traffic shows as download, whether it's as traffic arriving
as a result of your actions or not.
> Originally, we were using the "open.internet" GPRS APN. However,
> the telco bills were showing 30-40% more traffic than we were
> measuring in our software. Switching to the "internet" APN sorted
> this out.
>> It turns out that the "open.internet" APN allows all inbound traffic
> to your dynamically-assigned public IP address, whereas "internet"
> only allows inbound IP traffic associated with existing TCP
> connections (and presumably UDP too for DNS stuff).
This is very interesting Kenn. Where did you manage to get that
I've been using open.internet on my computer's dialup settings since I
to O2 (changed now :-) ) though I see that the phone itself was setup
internet for its own connections - not sure how I managed to do that,
as I had
no idea of there being a difference between them.
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