it depends on the persons connection on if you can ping timeout them. i've done it to a lot of users before with one connection. and you can block ctcp's without using usermode +t so anyone on any server could have this blocked.
Are you sure you want to unfollow this person?
Are you sure you want to delete this?
Click "Unsubscribe" to stop receiving notices pertaining to this post.
Click "Subscribe" to resume notices pertaining to this post.