Attack Against Port 6881?

Howard Lowndes lannet at
Wed Feb 5 06:52:11 EST 2003

On Wed, 5 Feb 2003, Alex Satrapa wrote:

> On Wednesday, February 5, 2003, at 12:44 , Ben Elliston wrote:
> > Good luck.  I suspect the terms of your service contract will ensure
> > you'll be paying the bill in full.
> The Telstra Terms and Conditions State:
> > 8.1 You must indemnify us against any loss, damage, liability, expense, 
> > cost or charge arising from or incurred in connection with:
> >
> > (a) any fault in the Telstra BigPond broadband Service, the broadband 
> > transmission facilities or the Software due to your negligence or 
> > wilful misuse, or any unauthorised use of the Telstra BigPond broadband 
> > Service, the Software or the Equipment; and
> > (b) breach by you of the Acceptable Use Policy ; and(c) any Equipment 
> > provided by you.
> >
> > 8.2 Telstra accepts liability for the supply of the Telstra BigPond 
> > broadband Service but only to the extent provided in this clause 8.
> Seeing as I didn't willfully misuse the service, and Telstra was happy 
> to continue to carry the SYN packets (and charge me for the traffic - 
> that's like charging for dialling a number regardless of whether I get a 
> connection or not), then it wasn't unauthorised use, so they can't get 
> away with the "any" part of that clause.
> They can't try telling me it was 6Gb worth of traffic either - there was 
> no traffic, just SYN packets.  There was no data exchanged.  Well... 
> they'll probably try telling me that it was traffic, but there's no 
> indication from my end that Telstra wasn't just flooding my link with 
> bogus SYN packets to boost their income for the month.

SYN packets _are_ traffic - 40 bytes per packet.

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