Saturday 3 June 2017

Can't establish TCP Peer connection

UDP - Sent: tracker.leechers-paradise.org:6969 :: 0 0 4 17 27 10 19 80 0 0 0 0 0 60 0 0
UDP - Received: 87.233.192.220:6969 :: 0 0 0 0 0 60 0 0 0 0 52 55 7 74 0 0
UDP - Sent: tracker.leechers-paradise.org:6969 :: 0 0 52 55 7 74 0 0 0 0 0 1 0 0 0 0 43 44 50 0 0 79 0 0 31 58 23 27 0 0 0 35 0 0 0 1 0 48 33 31 0 30 0 0 82 0 0 82 37 0 0 0 2 0 80 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0
UDP - Received: 87.233.192.220:6969 :: 0 0 0 1 0 0 0 0 0 0 7 81 0 0 0 1 0 0 0 11 43 0 0 0 0 33 29 0 26 0 64 19 0 0 0 0 0 82 0 71 0 0 61 0 0 0 0 47 75 0 81 38 0 57 0 5 0 48 0 47 41 0 0 0 80 33 0 0 58 6 33 85 69 0 54 9 0 45 41 0
TCP - Establishing connection: 84.9.208.69:6881

events.js:163
      throw er; // Unhandled 'error' event
      ^

Error: connect ECONNREFUSED 84.9.208.69:6881
    at Object.exports._errnoException (util.js:1050:11)
    at exports._exceptionWithHostPort (util.js:1073:20)
    at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1093:14)

This is the decoded announce response

1 // Event (Announce)
4197152652 // Random request ID
1953 // Interval
1 // Leechers
17 // Seeders
[
  [ '173.239.236.71', 30075 ],
  [ '187.113.172.46', 25079 ],
  [ '213.109.239.162', 24194 ],
  [ '41.205.38.172', 25625 ],
  [ '67.184.203.252', 32307 ],
  [ '69.114.27.207', 30474 ],
  [ '88.6.51.133', 27066 ],
  [ '92.221.128.51', 53925 ],
  [ '103.255.145.186', 45271 ],
  [ '84.9.208.69', 6881 ]
] // Peers

I've been trying to figure out what's going on, but there are no errors and I've not found documentation on an explanation.

The connection is either closed after connecting, or simply refused.

My handshake seems to be valid, but even if it wasn't, the connection is being closed/refused before I even get the chance to write the handshake.

What type of reason could be attributing to this behaviour?



via Tobiq

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