TCP Concurrent Client/Server in C by using Fork()

Question

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 else {
        printf("[-]Invalid command\n");
      }
    }

    bzero(buffer, SIZE);
  }

}

Answer 1

You have a couple of issues:

-Don't close sockfd, this will prevent further connections from being accepted on the server
-The socket should be closed on both ends in the quit case
-The fact that the client side uses a random port is fine.  Nothing needs to be changed there