[bittorrent] Re: Re:

larytet.8708132 at bloglines.com larytet.8708132 at bloglines.com
Sat Apr 23 19:08:47 EDT 2005


sorry i messed up. no CRC (only in the Ethernet, not TCP). there is checksum
in the IP header, but this one isnot costly

--- Olaf van der Spek <olafvdspek at gmail.com
wrote:
> not the
> > same overhead, because i can use same and permanent
TCP session number, for
> > example, i do not need acks, etc. think about
how one could fool firewall.
> > after the session is established i can stream
data exactly as before hijacking
> > TCP payload. i don't have to calculate
CRC, because most of FW do not check
> 
> CRC? What CRC?
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