Re: draft-duan-smtp-receiver-driven-00.txt

On 5/11/05, Arnt Gulbrandsen <arnt(_at_)gulbrandsen(_dot_)priv(_dot_)no> wrote:
> David hagel writes:
> > its almost impossible to spoof tcp sessions now. spoofer needs to
> > correctly guess the randomly generated sequence/ack numbers.
> Have a look at http://www.completewhois.com/hijacked/ for an
> alternative, simpler approach.
granted one can steal whole ip blocks. 
its still ok blacklisting those ip blocks if its in the hands of
spammers. right?