Configuring Network
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company's intranet from home or outside the office, and site-to-site VPN allows employees in
geographically separated offices to share one cohesive virtual network. VPN can also be
classified by the protocols used to tunnel the traffic. It provides security through tunneling
protocols: IPSec, SSL, L2TP and PPTP.
The system supports SSL VPN, which provides remote-access VPN capabilities through SSL.
OpenVPN is a full featured SSL VPN software solution that creates secure connections in remote
access facilities and is designed work with the
TUN/TAP
virtual networking interface. TUN and
TAP are virtual network kernel devices. TAP simulates a link layer device and provides a virtual
point-to-point connection, while TUN simulates a network layer device and provides a virtual
network segment. The system uses OpenVPN to achieve the VPN feature. To prevent disclosure
of private information, tunnel systems must authenticate each other before secure VPN tunnel is
established. After the VPN feature is configured properly on the system, the system works as a
VPN client and uses the certificates to authenticate the VPN server.
To use VPN, the compressed package of VPN-related files should be uploaded to the system in
advance. The file format of the compressed package must be *.tar. The VPN-related files are:
certificates (ca.crt and client.crt), key (client.key) and the configuration file (vpn.cnf) of the VPN
client. For more information, refer to
OpenVPN Feature on Yealink IP Phones
.
VPN feature parameters on the system are described below.
Enables or disables VPN feature on
the system.
Default: Disabled
Note: You need to upload the
Remote Control
Web User Interface
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