ん?
netstat -a
TCP PCNAME:1628 sv.morning.ne.jp:http TIME_WAIT
TCP PCNAME:1629 sv.morning.ne.jp:http TIME_WAIT
TCP PCNAME:1630 sv.morning.ne.jp:http TIME_WAIT
TCP PCNAME:1631 sv.morning.ne.jp:http TIME_WAIT
TCP PCNAME:1633 sv.morning.ne.jp:http TIME_WAIT
TCP PCNAME:1634 sv.morning.ne.jp:http TIME_WAIT
TCP PCNAME:1635 sv.morning.ne.jp:http TIME_WAIT
…ポートスキャン?