Filter Hook: Filters whether or not to bypass checking for blocked keys.

Filter Hook: Filters the current user’s user-agent.

Filter Hook: Filters the current user’s IP address.

Filter Hook (deprecated): Filters whether or not to bypass checking for blocked keys.

Filter Hook: Filters the maximum amount of links allowed to include the user’s URL.

Filter Hook: Filters whether or not to bypass checking for moderation keys and too many links.