Bloquea el tráfico ICMP (pings) entrante con PowerShell

Описание: Aprende a usar PowerShell para modificar el firewall de Windows, bloquear solicitudes ICMP (ping) y cerrar puertos.

Comandos:
Bloquea pings a IPs IPv4 e IPv6:

New-NetFirewallRule -DisplayName "Block ICMPv4 Echo Request" -Direction Inbound -Protocol ICMPv4 -IcmpType 8 -Action Block -Profile Any -Enabled True

New-NetFirewallRule -DisplayName "Block ICMPv6 Echo Request" -Direction Inbound -Protocol ICMPv6 -IcmpType 128 -Action Block -Profile Any -Enabled True

Bloquea un puerto (ejemplo: 139 - SMB sobre NetBIOS):

New-NetFirewallRule -DisplayName "Block TCP 139" -Direction Inbound -Action Block -Protocol TCP -LocalPort 139 -Profile Any -Enabled True

Elimina una regla del firewall:

Remove-NetFirewallRule -DisplayName "Block ICMPv6 Echo Request"