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SoftPLC Corporation provides high performance VPN firewalls that protect ethernet to ethernet connections such as industrial network to business network, or industrial networks/devices connected to remote sites via the internet. Powerful security features block dangerous and/or unwanted communications from entering your network. We offer two categories of industrial network protection products:

Embedded firmware adds firewall capability to any SoftPLC controller, RTU, or Gateway product
Stand-alone hardware firewalls on industrial computers loaded with our Gatecraft Linux and Firewall package. (Smart and Hardbook models are available)

The firewall protection and configuration features are the same for both categories. In most cases, the hardware is the same as well. The difference is whether additional SoftPLC product functions are also included in the firmware or not.