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Virtual Private Networks, on VPNs, encrypt and authenticate traffic across untrusted networks. VPN functionality is built into pfSense® software.

A VPN can link together two remote networks as if they were directly connected, or it can allow remote clients to securely reach local resources. They can also be used to redirect outbound Internet traffic so that it exits through a different location.

VPNs offer a secure alternative to exposing sensitive or fragile local services to the Internet. For example, network management services, security systems and cameras, file servers, printers, and many other similar network devices.