Draytek Vigor3910 Series, User Manual

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Vigor3910 Series User’s Guide 166
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OpenVPN offers a convenient way for users to build VPN between local end and remote end.
With integrating of OpenVPN, Vigor router can help users to achieve more robust, reliable and
secure private connections for business needs.
There are two advantages of OpenVPN:
 It can be operated on different systems such as Windows, Linux, and MacOS.
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Based on the standard protocol of SSL encryption, OpenVPN can provide you with a
scalable client/server mode, permitting multi-client to connect to a single OpenVPN
Server process over a single TCP or UDP port.
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Before establishing OpenVPN connection, general settings for OpenVPN service shall be
configured first.
Available settings are explained as follows:
Item Description
Enable UDP Check the box to enable UDP port setting for OpenVPN.
UDP Port – Enter a number.
Enable TCP Check the box to enable TCP port setting for OpenVPN.
TCP Port – Enter a number.
Cipher Algorithm Two encryptions are supported, AES128 and AES256.
HMAC Algorithm The HMAC algorithm only supports SHA1/SHA256.
Certificate Authentication If certificate authentication is required for OpenVPN, simply
check the box to apply the trusted CA certificate and local
certificate for OpenVPN tunnel.
Certificate authentication can offer more secure VPN tunnel
between the client and the router.
After finishing all the settings here, please click OK to save the configuration.