Virtual Private Network (VPN)
VPN provides a secure tunnel and is often
used to link two remote networks (sites)
in a secure way. VPN can be implemented
in different ways and using different
protocols, such as Point-to-Point Tunnelling
Protocol, Internet Protocol security or
OpenVPN.
VPN is typically used to secure connection
to remote cameras in a network video
system. That could be a camera placed on
Internet, a city network or connected over
mobile 4G. HTTPS could be used for the
same purpose. The primary difference is
that HTTPS exposes the camera's public
IP address for different types of attacks. A
VPN solution provides a local IP address
to the camera and thus reduces the public
exposure while encrypting the traffic.
VPN
Data Secure VPN tunnel
VMS server
Client
Camera
VPN client VPN client
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