Filtering out pushed options
Starting with OpenVPN 2.4, it is now possible to filter out options pushed from the OpenVPN server to the client. This allows users to have more control over the network routes and addresses that are pushed from the server.
This recipe will show how this new feature of OpenVPN works.
Getting ready
We will use the following network layout:
Set up the client and server certificates using the first recipe from Chapter 2, Client-server IP-only Networks. For this recipe, the server computer was running CentOS 6 Linux and OpenVPN 2.3.12. The client was running Windows 7 64 bit and OpenVPN 2.4_alpha2. For the server, keep the configuration ...
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