Blocking an IP from command line using the Windows Firewall (must be run as admin):
netsh advfirewall firewall add rule name="alex-IP Block" dir=out interface=any action=block remoteip=2.2.2.2/32
Blocking an IP from command line using the Windows Firewall (must be run as admin):
netsh advfirewall firewall add rule name="alex-IP Block" dir=out interface=any action=block remoteip=2.2.2.2/32