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EASY TCP/IP : check / Scan a port : NEWTOPIC

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Hi, I'm using the WIZ820IO to send messages to a couple of destinations, via UDP and as TCP client. By socketconnecting to the TCP server, I can find out if the server accepts the message by checking the result of socketconnect. But what about UDP? I can ping the destination IP, but that still does not say if the port is open. Is there way to determin, if destination-port is open?

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