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

Harold Feit dwknight at depthstrike.com
Fri Apr 14 11:30:44 EDT 2006


If the client is configured to proxy peer connections, then yes the peer
connection goes through the proxy.

FYP 2005 wrote:
> er..
> I think my question is not clear
> just forgot it.
> 
> my qs is .
> does the connection between peerA and peerB still go thorugh the proxy ?
> 
> On 4/14/06, * FYP 2005* <hkucsfyp2005 at gmail.com
> <mailto:hkucsfyp2005 at gmail.com>> wrote:
> 
>     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
>     <mailto: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>
>         > <mailto: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>
>         >     <mailto: 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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