Zycoo CooVox-U80 User Manual page 92

PPTP VPN Server
To configure your PPTP Server, navigate to web menu Network Settings‐>VPN Server. Check the
radio button of PPTP to configure PPTP VPN server.
Enable: Tick the checkbox to enable PPTP VPN server.
Remote IP: PPTP VPN remote network IP range, there must be 10 or less available IP
addresses between start IP and end IP.
Local IP: PPTP VPN local server IP address.
Primary DNS:Primary DNS for VPN connection.
Alternative DNS:Secondary DNS for VPN connection.
Timeout(sec):Session timeout for PPTP tunnels.
Authentication Method:Choose method/methods for the authentication of the VPN clients.
chap:Challenge Handshake Authentication Protocol
CHAP takes a more sophisticated and secure approach to authentication by creating a
unique challenge phrase (a randomly generated string) for each authentication.
pap:Password Authenticate ProtocolPAP works like a standard login procedure; it uses static
user name and password to authenticate the remote system.
mschap:MS‐CHAP is the Microsoft version of the Challenge‐Handshake Authentication
Protocol.
mschap‐v2: Microsoft Challenge Handshake Authentication Protocol version 2 (MS‐CHAP v2),
this provides stronger security for remote access connections.
Enable mppe128:Microsoft Point‐to‐Point Encryption (MPPE) encrypts data in Point‐to‐Point
Protocol (PPP)‐based dial‐up connections or Point‐to‐Point Tunneling Protocol (PPTP) virtual
private network (VPN) connections with 128‐bit key.
Debug:Tick to enable debug for PPTP VPN connection, debug information will be written
into system logs.
You will need to create a VPN user account for aVPN client to be able to connect to the VPN
Server.
To create an account, click "VPN User Management" tab and click "New VPN User" button to add