Using Windows Firewall to block a specific IP on Windows 10

Open Windows Firewall with Advanced Security by running wf.msc. On the left, select Inbound Rules, then under the Action menu, choose New Rule.

  • On the Rule Type page, choose Custom.
  • On Program, choose "All programs."
  • On Protocol and Ports, leave the default of Any.
  • On Scope, select "These IP addresses" in the remote addresses section and add the problematic IP address in the Add dialog.
  • On Action, choose "Block the connection."
  • On Profile, leave the defaults of everything checked.
  • Finally, on Name, give the rule a name and optionally a description.