How to setup and use OpenDNS in Ubuntu and variants such as Linux Mint or Zorin. Open Network Manager menu and select Edit Connections Choose your connection from Wired, Wireless, or Mobile Broadband Under IPv4 Settings tab Choose method Automatic (DHCP) Addresses Only. Or Manual if you prefer to have a static IP address Type in "208.67.222.222, 208.67.220.220" into the DNS servers text box. Restart your Computer If you subscribe to OpenDNS you can use Content Filtering to block Adware and Malware sites, it can be used to block Adult and Social Networking sites. I have set mine up to Block the following High Risk Top Level Domains (TLDs): .info -- Information .cc -- Cocos Islands .ch -- China .vn -- Vietnam .cm -- Cameroon .in -- India .ru -- Russia .am -- Armenia .tk -- Tokelau .pl -- Poland .co.be - .co sub-domain in Belgium .co.tv - .co sub-domain in Tuvalu DDClient - Dynamic DNS IP Updater tutorial: https://www.youtube.com/watch?v=iuDCuUEmKF4 OpenDNS: http://www.opendns.com/ DNSOMatic: https://www.dnsomatic.com/