In a vicious twist of standard DDOS attacks, now attackers are using the DNS servers to do their dirty work.�c�C�X�g�̕W���ɂ��鈫����DDoS�U���́A�������U���҂�DNS�T�[�o�[���g�p���Ă�����s���ɂ́A���̉����d���ł��B

They send requests to DNS server with a spoofed reply address pointing to the victim's machine.�ނ�̗v����DNS�T�[�o�[�ɑ���̕ԐM��A�h���X���U���́A��Q�҂̃}�V�����w���Ă��܂��B This helps to easily mask the attack.����ɂ��A�}�X�N�̍U����e�Ղɂ��܂��B Also the size of DNS response can be several times larger tha the request thereby making it easier to launch massive attacks with fewer resources.�܂��A DNS�����̃T�C�Y��傫���ł���tha����̃��N�G�X�g����K�͂ȍU�����ȒP�ɗ����グ�A���Ȃ����\�[�X�ł��B

Unfortunately DNS traffic cannot be blocked as easily as traffic from normal DDOS attacks, which makes it even more dangerous.�c�O�Ȃ���DNS�̃g���t�B�b�N���u���b�N���邱�Ƃ͂ł��܂��񂩂�̃g���t�B�b�N�𓯂��悤�ɊȒP�ɒʏ��DDoS�U���ŁA����ɂ��A����Ɋ댯�Ȃ��Ƃł��B DNS ensures working of the internet.��Ƃ́A�C���^�[�l�b�g��DNS�m���ł��B
via News.com�o�Rnews.com

It appears we are being forced to provide a more secure locatable transport layer for internet 3.���ꂪ�\������ċ����I�Ɏ������̑��̃Z�L�����e�B�ŕی삳��񋟂���C���^�[�l�b�g�g�����X�|�[�g�w�̋��ꏊ���m�F�ł���B 3 �B