
Learn how to whitelist, blacklist or block websites in Internet Explorer, Firefox, Chrome, Opera browsers on Windows, using scripts, HOST File. Domain Name System Blacklists, also known as DNSBL's or DNS Blacklists, are spam blocking lists that allow a website administrator to block messages from. Um über eine Blacklist im Router einzelne Websites zu sperren, müssen Sie sich Blacklist -Einstellungen gehören zum Bereich " Internet ".