Tag: Application Layer

Application Layer Firewalls

application layer firewallCircuit-level firewalls are ok but if you want to make your network more secure these firewalls will not be enough for you. Better line of defense is to use new kind of firewall that are making deeper packet analyze, application layer firewalls. Application layer firewalls, also called application gateways or proxy firewalls. These firewalls are filtering traffic at 3, 4, 5, 7 OSI layer.

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