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Udp communication

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  • J Offline
    J Offline
    janaki
    wrote on last edited by
    #1

    am trying to send an image on udp network

    while am sending it is displaying that -1 bytes sent

    i wanted to know that -1 bytes means an error in sending

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    • A Offline
      A Offline
      ahura_24
      wrote on last edited by
      #2

      can you send your code please ?
      i guess you have firewall and you must turned off it.

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      • J Offline
        J Offline
        janaki
        wrote on last edited by
        #3

        can u please tell me how should i do it

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        • A Offline
          A Offline
          ahura_24
          wrote on last edited by
          #4

          sometime firewalls didnt allow to send or recieve Udp packets.
          you must turned off your firewall and test again your program.
          test programs of Qt's demo in network categories, if they didnt work
          you have firewall and you cant run network program.

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