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What is Blacklist ? A blacklist sometimes called blackhole list,which is a list of usernames or\u00a0IP addresses, that are denied access to a certain system or\u00a0protocol. The goal of a blackhole list is to provide a list of\u00a0IP addresses\u00a0that a network can use to filter out undesireable traffic. Examples of Blacklist Applications Web servers\u00a0uses blacklist […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"passster_activate_protection":false,"passster_protect_child_pages":"","passster_protection_type":"password","passster_password":"","passster_activate_overwrite_defaults":"","passster_headline":"","passster_instruction":"","passster_placeholder":"","passster_button":"","passster_id":"","passster_activate_misc_settings":"","passster_redirect_url":"","passster_hide":"no","passster_area_shortcode":"","gtb_hide_title":false,"gtb_wrap_title":false,"gtb_class_title":"","gtb_remove_headerfooter":false,"footnotes":""},"categories":[4590],"tags":[16522,16525,16526,16529,16524,16533,16528,16527,16523,16531,16530,16532],"class_list":["post-3853","post","type-post","status-publish","format-standard","hentry","category-networking","tag-blacklist","tag-blacklist-check","tag-blacklist-definition","tag-blacklist-meaning","tag-blacklisted","tag-email-block-list","tag-ip-blacklist","tag-is-my-ip-blacklisted","tag-the-blacklist","tag-what-does-blacklisted-mean","tag-what-is-blacklist","tag-when-is-the-blacklist-on"],"yoast_head":"\n