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net outgoing port


vod

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Hi guys,

previously i setup net.outgoing.port to use port 16384. now when i change net.outgoing.port back to the default value "0", i still see utorrent log reporting lots of requesting and sending from and to port 16384. i tried to change the port to other port beside default value of "0" (tried various ports, 12121, 13456, etc) but utorrent log still showing connection receive/send from/to port 16384. i have even remove all content of appsdata/utorrent, reinstall utorrent 1.5.1 (previously was using beta 464) but the problem still persist.

the above happen to all torrents. i tried to add new torrent into utorrent, started it and watched the log. still, it used port 16384.

partial logs from utorrent. to respect privacy, last 3 digits of IP address were masked intentionally

----------------------------------------------

51.156: 129.44.235.xxx : [bitComet/0101 ]: Sending Piece 949:16384->16384

51.625: 196.202.75.xxx : [bitComet/0066 ]: Got Piece: 2422:163840->16384

51.625: 196.202.75.xxx : [bitComet/0066 ]: Got Request: 482:180224->16384

51.625: 196.202.75.xxx : [bitComet/0066 ]: Got Request: 482:196608->16384

51.625: 196.202.75.xxx : [bitComet/0066 ]: Got Request: 482:212992->16384

51.625: 196.202.75.xxx : [bitComet/0066 ]: Got Request: 482:229376->16384

51.625: 196.202.75.xxx : [bitComet/0066 ]: Got Request: 482:245760->16384

51.625: 196.202.75.xxx : [bitComet/0066 ]: Requesting 2664:0->16384

51.640: 196.202.75.xxx : [bitComet/0066 ]: Sending Piece 482:180224->16384

51.765: 129.44.235.xxx : [bitComet/0101 ]: Sending Piece 949:32768->16384

52.125: 221.210.227.xxx : [bitComet/0063 ]: Got Request while choked: 2542:163840->16384

52.156: 221.210.227.xxx : [bitComet/0063 ]: Got Request while choked: 2542:180224->16384

52.171: 221.210.227.xxx : [bitComet/0063 ]: Got Request while choked: 2542:196608->16384

52.171: 221.210.227.xxx : [bitComet/0063 ]: Got Request while choked: 2542:212992->16384

52.171: 221.210.227.xxx : [bitComet/0063 ]: Got Request while choked: 2542:229376->16384

52.171: 221.210.227.xxx : [bitComet/0063 ]: Got Cancel Unrequested: 2542:163840->16384

52.171: 221.210.227.xxx : [bitComet/0063 ]: Got Cancel Unrequested: 2542:180224->16384

52.171: 221.210.227.xxx : [bitComet/0063 ]: Got Cancel Unrequested: 2542:196608->16384

52.171: 221.210.227.xxx : [bitComet/0063 ]: Got Cancel Unrequested: 2542:212992->16384

52.171: 221.210.227.xxx : [bitComet/0063 ]: Got Cancel Unrequested: 2542:229376->16384

52.375: 217.165.28.xxx : [bitComet/0057 ]: Got Unchoke

52.406: 217.165.28.xxx : [bitComet/0057 ]: Requesting 1546:32768->16384

52.421: 217.165.28.xxx : [bitComet/0057 ]: Requesting 1546:49152->16384

-------------------------------------------------------

any advise?

thanks a lot

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As we tested a lot (vod and I), it seems, that its equal which port we use at "net.outgoing_port", always port 16348 is used.

Perhaps a bug in utorrent?

PS: tested with 465

or is this only working, when "net.outgoing_ip" is used?

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dont think so. i change the port to its default of "0". restarted utorrent. added a fresh new torrent. still the log shows the old port.

P/S: the fresh newly added torrent should connect to new peers and seeds. none of them should know and/or think that i use port 12345 because there was simply no connection attempted yet.

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remote port? my remote port is set to 5060. the logs only shows incoming connection attempted by [peerIP] to port 5060 whenever there is incoming connection attempt. that only happen on initial establishment of connection. the rest of the logs shows lots of connection on port 16384

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Huh? That 16384 in the log isn't even a port number O.o

Besides that, YOU don't set the remote port. The remote user does -- hence the name. You've got it all mixed up here. You only set up the listening port, and outgoing port if you do so in the advanced options, both of which are local port options, NOT remote.

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16384 is bytes, exactly 16 KiloBytes to be exact. That is the standard packet size used by the BitTorrent protocol, so you'll see it quite often. It often takes numerous 16 KB packets to make up 1 chunk of a torrent. Torrent chunks are typically 256 KB to 2 MB, and are the smallest piece of a torrent to get an individual hash. So until a whole chunk is received, that portion cannot be checked for accuracy.

I too see nothing in that log snippet which shows the port used by µTorrent. Or even any port numbers for that matter.

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