Learn how to block someone on Facebook permanently. You can unblock any blocked person on Facebook with this step-by-step guide.

How to block websites Block all users of a Windows PC from opening certain websites—no matter what browser they use.

Blocking Facebook Through the Windows Host File Another method that is a more tedious FB block than the router method is to block Facebook manually through an individual computer's host files.

How to block someone on the Facebook app Like on the Facebook website, you can quickly block someone on the mobile app by tapping the three-dot button underneath their cover photo.

Block Internet Access to Apps! You can disable a program from connecting to the internet using CMD or Outbound Rules of Windows Firewall.