Zycoo CooVox T Series, Admin & User Manual

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- 116 - ZYCOO CooVox T-series IP Phone System Admin User Guide v4.0.0
l Stealth : Certain deep packet inspection firewalls might not allow OpenVPN traffic, stealth SSL tunneling can
disguise your OpenVPN traffic under the HTTPS traffic which is often seen as HTTPS traffic by the DPI.
l
Port : OpenVPN service port, the default port is 1194. You will need to forward this port on your router for the
clients being able to connect to the server.
l
Stealth Port : OpenVPN service port, the default is 1194.
l Protocol : You can choose either UDP or TCP. But the port forwarding (1194) on your router should be using
the same protocol.
l
Device Node : TUN or TAP; A TAP device is a virtual Ethernet adapter, while a TUN device is a virtual
point-to-point IP link.
l
Cipher : Cipher (or cypher) is an algorithm for performing encryption or decryption.
l Compress LZO : LZO is an efficient data compression library which is suitable for data de-compression in
real-time.
l
TLS-Server : TLS is an excellent choice for authentication and key exchange mechanism of OpenVPN.
l
Remote Network : The OpenVPN client network, VPN server uses the first available IP of the client network.
l
Route : The route entries adjust the local routing table, telling it which network to route over the VPN.
l Client-to-Client : Client-to-Client can enable intercommunication between clients.
Once configurations done, click on
button to save the configurations and you may create certificates for
the OpenVPN clients now. Each VPN client needs a certificate to be able to connect to the server. OpenVPN server