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OpenVPN
OpenVPN is an open source virtual private network (VPN) program for creating point-to-point or server-to-multi-client encrypted
tunnels between host computers. It can traverse network address translation (NAT) and firewalls and allows authentication by
certificate, pre-shared key or username and password. OpenVPN works well through proxy servers and can run over TCP and UDP
transports. Support for OpenVPN is available on several operating systems, including Windows
OpenBSD, FreeBSD, NetBSD and QNX.
Configuring an Open VPN server
From the menu at the top of the screen, click Networking and from the VPN section on the left, click OpenVPN. A list of configured
OpenVPN VPN connections is displayed.
Click the +Add button for the type of OpenVPN server/client you would like to configure.
OpenVPN server
To configure an OpenVPN Server:
1.
Click the OpenVPN profile toggle key to switch it to the ON position.
2.
In the Profile Name field, type a name for the OpenVPN server profile you are creating.
3.
Use the Type drop down list to select the interface type for the OpenVPN Server. The TAP virtual interface is used to
transport IP, non-IP or IPv6 traffic. It simulates a data link layer device (i.e. bridge) and operates with layer 2 frames such
as Ethernet frames. The TUN virtual interface transports IP traffic only. It simulates a network layer device (i.e. router) and
operates with layer 3 packets.
4.
Use the Server port field to select a port number and then use the drop down list to select a packet type to use for your
OpenVPN Server. The default OpenVPN port is 1194 and default packet type is UDP.
5.
In the VPN network address and VPN network subnet mask fields, enter the IP address and network subnet mask to
assign to your VPN. This is ideally an internal IP address which differs from your existing address scheme.
6.
Next to Diffie-Hellman parameters, select the number of bits to use and then click the Generate button. This will create an
encryption key to secure your OpenVPN connection.
7.
Under Server Certificates, enter the required details. All fields must be completed. The Country field must consist of two
characters only. When the details have been entered, click the Generate CA certificate button to generate the Certificate
Authority (CA) certificate based on this information.
8.
Under the Server certificates section, select the Authentication type that you would like to use for the OpenVPN Server.
Note: The time required to generate Diffie-Hellman parameters varies based on the number of bits selected. For example, if
1024 bits is selected, the router can take approximately 1 hour to generate the parameters. Please be patient.
NetComm Wireless Light Industrial M2M Router Plus
50
Figure 57 - OpenVPN VPN List
, Linux, Mac OS
, Solaris,
®
®
www.netcommwireless.com
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