"Guess" wrote in message
> I know that's very difficult nw to get the seq number received from
> server (tcpdump -> good luck)
> so I post here to know if somebody has discover another technique to
> spoof ip or to get the seq number ???

I don't think so.
Depending on the OS you're using, the randomness of the ISN you're using
is sometimes weak, but it is still hard to find out the right one.
On another hand, people tried to find out other types of attacks to try
to spoof someone else's address, but i haven't heard of any real good
solution, for sake.

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