Comment Spam, Trackback Spam, Pingback Spam and Referrer Spam are ever increasing problems with blogs.�R�����g�X�p���A trackback�̃X�p���A Pingback��[���f���[��]�⃊�t�@���[�}�[�N�́A�u���O�܂ő����Ė�肪�������܂��B

After moving my blog over to WordPress 1.5, I revisited my�u���O���ړ�������WordPress 1.5�́A���ĖK�}�C Spam prevention strategy���f���[���h�~�헪 .�ł��B I used CAPTCHA before, which has problems for visually impaired people.��captcha�̑O�Ɏg���A��������o��Q�҂̐l�X�ɖ�肪�������܂��B Also it requires some effort by the user to fill in the CAPTCHA code.�܂��A�����‚��̓w�͂�K�v�Ƃ��郆�[�U�[���L���captcha�̃R�[�h�ł��B Hence I decided not to use CAPTCHA.����䂦��captcha�ْ̍���g�p���Ȃ��悤�ɂ��܂��B
Instead I used a judicious combination of existing solutions.����Ɏ��̌����ȑg�ݍ��킹���g�p���āA��̃\�����[�V�����ł��B I have tracked the progress for last three months.���͉ߋ�3�����Ԃ̒ǐՂ̐i���󋵂ł��B And the strategy has proven to be highly successful in eliminating spam with almost zero maintenance on my part.�Ƃ̐헪�����؂������ɐ������Ė��f���[����r�����鎄�̕����Ƀ����e�i���X���قڃ[���ł��B If success is defined by the amount of time I spend weekly to keep my blog spam free then I would have to say it is not even 10 minutes per week.�Œ�`���ꂽ�ꍇ�̐����͎��߂������Ԃ̗ʂ�ۂT���u���O�}�[�N�����œ�͂��A�����������Ƃł͂Ȃ���10���ɂ�1�T�Ԉȓ��ɂ��܂��B Mostly I don't have to do anything.��ɂ́A���������Ă��Ȃ��B

I will outline the simple steps in this post to make your WordPress 1.5 blog spam free.���͂���̊T�v���������ȒP�Ȏ菇�����s����WordPress 1.5�̃u���O�ɓ��e����ɂ̓}�[�N�����ł��B The same techniques can be applied to other blog systems.�����Z�p�𑼂̃u���O�ɓK�p�ł���V�X�e���ł��B However it may require customization.����������̃J�X�^�}�C�Y���K�v�ł��B

Here are the plugins you will need for this solution�����ł́A���̉�������v���O�C������K�v������܂��B

Both of them requires no upfront configuration.��s���Ă̗���̐ݒ�͕K�v����܂���B Just drop the files in wp-content/plugins folder and activate from the Plugins screen (in administrative interface). wp-content/plugins�t�H���_���̃t�@�C�����h���b�v���邾���ƗL���ʂ���̃v���O�C���i�Ǘ��C���^�[�t�F�C�X�j�ł��B

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