[bittorrent] how a peer connect to other peer which is behind proxies.

FYP 2005 hkucsfyp2005 at gmail.com
Fri Apr 14 11:02:25 EDT 2006


Thanks.

If this is the case, does the outbound connection from peerA to peer B go
through the proxy used by peerA ?
and does the outbound connection from peer B to peer A go through the proxy
used by peerA  ?






On 4/14/06, Harold Feit <dwknight at depthstrike.com> wrote:
>
> Peer A (proxied) can establish outgoing connections.
> Assuming Peer B (unproxied) can accept incoming connections, the
> connection CAN be established, but only when Peer A initiates it.
>
> Once the connection is established, data can be transferred in either
> direction.
>
> FYP 2005 wrote:
> > I used bitcomet to test the scenario  that I mentioned before.
> > I found that peerB can download from peerA. That mean there is
> > connection between them.
> >
> > You said that nobody can connect to peerA
> > Does it mean that the connection between them is due to peerA initialize
> > a connection to peerB ?
> > It is because peerA can also obtain the IP address and port of peerB
> > from the peer list
> >
> >
> > On 4/14/06, *Olaf van der Spek* < olafvdspek at gmail.com
> > <mailto:olafvdspek at gmail.com>> wrote:
> >
> >     On 4/14/06, FYP 2005 < hkucsfyp2005 at gmail.com
> >     <mailto:hkucsfyp2005 at gmail.com>> wrote:
> >     > Suppose there are two peers. One is a seed(peer A) which is behind
> a
> >     > anonymous proxy and another one is just a peer without source(peer
> B).
> >     >
> >     > Now peer A execute the .torrent and connect to tracker through the
> >     proxy.
> >     > Since peer A is behind the proxy now. Therefore, the tracker will
> >     record the
> >     > IP address of the proxy and port that peer A 's BT client
> >     listening on.
> >     > If other peers, say peer B get the peer list from the tracker.
> >     > I don't understand how peer B can connect to peer A. It is because
> >     peer B
> >     > only got the port that peer A 's BT client listening on and the
> >     proxies IP.
> >     > However, the port that peer B get is just a port used by peer A
> >     but not the
> >     > proxy.
> >     >
> >     > Can anyone give me some idea on that ? I
> >
> >     Nobody can connect to peer A.
> >
> >
> >
> > ------------------------------------------------------------------------
> >
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