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Asked: 2026-05-23T18:37:32+00:00

When any client program communicates with server client uses an ephemeral port number to

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When any client program communicates with server client uses an ephemeral port number to communicate with the server on server port. Is there any way to control/Select the client ephemeral port number in Java.

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  1. Editorial Team

    Yes, you specify the local address / portnumber:

    Socket(InetAddress address, int port, InetAddress localAddr, int localPort)
      Creates a socket and connects it to the specified remote address on the specified remote port.

    http://download.oracle.com/javase/6/docs/api/java/net/Socket.html#Socket%28java.net.InetAddress,%20int,%20java.net.InetAddress,%20int%29

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