> Hello All,
>
> It says in the FAQ that using the 'reassemble tcp' scrub option keeps an
> observer from guessing how many hosts are behind a NAT gateway.  The main
> thing I plan to use this for is to prevent my ISP from finding out I have
> more than 1 computer connected, and then start asking me to pay more money
> for extra IP addresses.   Problem is that TCP SYN packets that go though
my
> NAT/pf box still have OS ambiguities.  So my ISP can see that Windows,
BSD,
> and Linux TCP SYN packets are coming from my cable modem, therefore
proving
> that I have more than 1 machine, and that I need to be charged
accordingly.
>
> Is there a way with pf to "wash" these ambiguities (window size, syn
packet
> size, etc) away so that all outgoing TCP packets look the same?  Maybe
even
> set them to user-defined variables, as we already can with 'max-mss' and
> 'min-ttl'?
>
> Thanks for your time.
> Aaron
>
>

Tell them that you have several operating systems, and you run them
simultaneously under vmware. :) :) :)

 --nd

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