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OpenVPN Cookbook - Second Edition by Jan Just Keijser

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How to read the OpenVPN log files

Troubleshooting an OpenVPN setup often comes down to reading and interpreting the OpenVPN log file correctly. In this recipe, no new features of OpenVPN will be introduced, but a detailed walk-through of an OpenVPN log file will be given. The setup from the Troubleshooting MTU and tun-mtu issues recipe earlier in this chapter will be used as a starting point.

Getting ready

Use the same setup as in the Troubleshooting MTU and tun-mtu issues recipe earlier in this chapter. For this recipe, the server computer was running CentOS 6 Linux and OpenVPN 2.3.11, and the client was running Fedora 22 Linux and OpenVPN 2.3.11. Keep the configuration file, basic-udp-server.conf, from the Server-side routing recipe from Chapter ...

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