I cannot connect to a specific computer, stuck at authenticating. Able to connect to others.
pasrt of log
2017/01/25 14:07:54.169 11084 8188 G1 CLoginClient::AuthenticateClient()
2017/01/25 14:07:54.450 3300 6264 S0 CT18 CT.Receive.CMD_UDPPING From=291696246 To=1082202667 L=80
2017/01/25 14:07:54.450 3300 6264 S0 CT18 GWT.CmdUDPPing.UDPMasterReply 71.204.161.102:64518
2017/01/25 14:07:54.450 3300 6264 S0 CT18 GWT.CmdUDPPing.PingOK.RequestUDP
2017/01/25 14:08:09.317 3300 1832 S0 CT17 CT.Receive.CMD_PARTNERRECONNECT From=291696246 To=1082202667 L=16
2017/01/25 14:08:14.184 11084 8188 G1 Login.AuthenticateClient: Read failed
2017/01/25 14:08:14.184 11084 8188 G1 CLogin::run() leave
2017/01/25 14:08:14.262 3300 3680 S0 CT15 CT.Run.LoopEnd
2017/01/25 14:08:14.262 3300 3680 S0 CT15 CT.Disconnect
2017/01/25 14:08:14.262 3300 3680 S0 CT17 CT.Send.CMD_ENDSESSION From=1082202667 To=291696246 L=4
2017/01/25 14:08:14.262 3300 3680 S0 CConnectionThread::Terminate(): Sent EndSession with reason: 1
2017/01/25 14:08:14.262 3300 1832 S0 CT17 CT.Receive.CMD_DISCONNECT From=291696246 To=1082202667 L=4
2017/01/25 14:08:14.262 3300 1832 S0 CT17 CT.Run.LoopEnd
2017/01/25 14:08:14.262 3300 3680 S0 CT17 CT.Disconnect
2017/01/25 14:08:14.262 3300 3680 S0 CT18 CT.Send.CMD_DISCONNECT From=1082202667 To=291696246 L=4
2017/01/25 14:08:14.262 3300 3680 S0!! S18 NC.SendUDP.Failed, Err=10047, Errorcode=10047
2017/01/25 14:08:14.262 3300 3680 S0!! S18 NC.SendDataUDP: SendDataUDPInternal result=-1, Errorcode=10047
2017/01/25 14:08:14.262 3300 3680 S0!! CT18 GWT.Send.Ignore.ErrorUDP, Err=10047, Errorcode=10047
2017/01/25 14:08:14.262 3300 6264 S0 CT18 CTU.Run.LoopEnd
2017/01/25 14:08:14.278 3300 6264 S0 CT18 CT.Disconnect
2017/01/25 14:08:14.278 3300 3680 S0 Session to 291696246 ended. Estimated bandwidth=-1kBit/s, Latency=-1ms
2017/01/25 14:08:14.278 3300 3680 S0 CSendCommandToMaster::SendBCommandToMaster: CC=3 CT=37
2017/01/25 14:08:14.278 3300 3680 S0! CT18 UDP statistics: rf=1
2017/01/25 14:08:15.042 11084 10736 G1 Trying connection to 291696246, mode = 1
2017/01/25 14:08:15.089 11084 8384 G1 CLogin::run()
2017/01/25 14:08:15.261 3300 4208 S0 CT20 CT.Send.CMD_MASTERCOMMAND From=1082202667 To=0 L=238
2017/01/25 14:08:15.666 3300 4208 S0 CT20 CT.Receive.CMD_MASTERRESPONSE From=0 To=1082202667 L=331
2017/01/25 14:08:15.666 3300 4208 S0 CT20 CT.Disconnect