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VIVOTEK - Built with Reliability
User's Manual - 125
NAT-traversal with OpenVPN
You can select the "VAST2 Server with OpenVPN" option when installing the VAST2 server.
A remote connection from NVR via a 3G/4G/LTE network can be made through an OpenVPN
tunnel. When the OpenVPN option is selected, an OpenVPN server will be installed with the
VAST2 server.
HMAC authentication and TLS encryption over an encrypted UDP connection are made effort-
lessly using the traversal methodology.
The sample installation screens are shown below:
VAST
Camera 01
Camera 02
Camera 03
Camera 04
Camera 06
Camera 05
Camera 07
Camera 08
Camera 09
Internet
HTTPS connection
OpenVPN tunnel
Port
Forwarding
Establish
VPN tunnel
Port
Forwarding
Register
Substation
Fetch CA/
Cert/Key
RESTful
API Server
Tunnel
message
NVR
VAST2 auto connection
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