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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 Protocol PAP 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 a VPN 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
a VPN user account.