How do you say “firewall” in Vietnamese?

Vietnamese words for “firewall”

• tường lửaListennoun
  Hanoi [tɨəŋ˨˩ lɨə˧˩] · Saigon [tɨəŋ˨˩ lɨə˨˩˦]tường falling lửa dipping

  firewall

  for “firewall” meaning: The software that monitors traffic in and out of a private network or a personal computer and allows or blocks such traffic depending on its perceived threat.