Many of the planets in our Solar System have a system of moons. But among the rocky planets that make up the inner Solar System, having moons is a privilege enjoyed only by two planets: Earth and Mars.
Functionally, the two arenât so different. Hardware firewalls are basically a specialized device running software. They can be set-and-forget solutions if the default configuration works for your company. Plus, because they run on a dedicated, hardened device, they provide a higher level of security.
Firewall may refer to: 1  Firewall (construction) , a barrier inside a building or vehicle, designed to limit the spread of fire, heat and structural collapse. 2  Firewall (engine) , the part of a vehicle that separates the engine compartment from the rest of the vehicle.