Network Security Gateway

In modern networks, along with specialized active network devices (routers, hubs, switches, repeaters, etc.), computer-based network gateway devices are widely used.

In some cases, this is due to the possibility of combining the functionality of a network Gateway device with other functions of a PC, in others - a more complex, flexible or non-standard network configuration. Some of the Network Security Gateway with built-in PoE Output 

It is quite common to use PCs as bridges that ensure the interaction of different subnets. They are often not used as intelligent and flexible firewalls.

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