Hacker News new | comments | show | ask | jobs | submit login

I think it is more complicated than that. I see for example posters I can down vote and other posters I can not.

This probably isn't the full picture, but you can't vote down comments left directly in response to your own comments (for obvious reasons), nor can you vote down comments over a certain age or that are already of a very low score.

Guidelines | FAQ | Support | API | Security | Lists | Bookmarklet | DMCA | Apply to YC | Contact