BT http://bt.custhelp.com/app/answers/detail/a_id/44328/~/switching-smart-setup-on-and-off-on-the-bt-home-hub-4-or-hub-5   VIRGIN http://help.virginmedia.com/system/selfservice.controller?CONFIGURATION=1001&VM_CUSTOMER_TYPE=Cable&CMD=VIEW_ARTICLE&ARTICLE_ID=111904&SIDE_LINK_TOPIC_ID=1001&SIDE_LINK_SUB_TOPIC_ID=101821&SUBTOPIC_NAME=%5B05%5DWeb%20Safe SKY http://help.sky.com/articles/sky-broadband-shield-explained   TALK TALK http://help2.talktalk.co.uk/how-use-talktalk-homesafe%C2%AE