[Plugin: Better WP Security] facebook integration doesn't work

Hello all,

Using Better WP security plugin, i cant see my facebook social plugins ‘facebook like’ on my website once i log out. I thought it was working fine but as soon as i logout. My facebook integration plugins wont work anymore. What can i do? i think there is something wrong with the tweaks maybe. My website is
http://www.tipnest.com

http://ww.wp.xz.cn/extend/plugins/better-wp-security/