Filters the comment flood error message.

Fires before the comment flood message is triggered.

Fires when a comment is attempted on a post that does not exist.

Filters the number of links found in a comment.

Fires when the status of a specific comment type is in transition.

Fires when the comment status is in transition from one specific status to another.

Fires when a comment is attempted on a post in draft mode.

Fires when a comment is attempted on a password-protected post.

Fires when a comment is attempted on a trashed post.

Fires immediately after a comment is inserted into the database.