http://www.google.co.jp/search?hl=ja&q=%22iptables+-A+INPUT+-p+tcp+--syn+-m+limit+--limit+1%2Fs+-j+ACCEPT%22&btnG=Google+%E6%A4%9C%E7%B4%A2&lr=lang_ja
ʂ̃TCgɃWv悤ƂĂ܂BXΏL̃NNbNĂ
UPLIFTōLȂő̌܂傤IKȉ{Ct܂I