Close Comments, Pingbacks and Trackbacks automatically in WordPress
Installing the plugin is extremely simple. Search for AutoClose in your Plugins » Add New screen and hit Install Now.
Fully customisable and extendable
Multiple settings to automatically close those comments, pingbacks and trackbacks
Close (or open) comments on posts, pages, attachments and even Custom Post Types!
You can also schedule a cron job to automatically close comments, pingbacks and trackbacks daily
Pingbacks and Trackbacks
Close (or open) pingbacks and trackbacks as well across all post types. You can also choose to delete them
Delete all post revisions at the click of a button or limit the number of revisions by post type