my $server = IO::Socket::INET->new( LocalPort => 12000,
                                        Proto     => 'tcp',
                                        Listen    => SOMAXCONN,
                                        Reuse     => 1
    );

    die $! unless $server;

    while (my $sock = $server->accept) {
        print "Connected to sock\n";
        print while <$sock>;
    }