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Beginning OpenVPN 2.0.9 by Norbert Graf, Markus Feilner

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Monitoring tools

There are many tools that provide detailed statistics on network interfaces. Two very easily installed monitoring tools with great functions are ntop and Munin.

ntop

ntop monitors a network and may in some states be illegal because it creates detailed records of connections between IP addresses. Furthermore, it offers a nice browser GUI and does not need a running web server.The ntop installs easily on Debian.

Enter apt-get install ntop and choose the interface you want to monitor. After software installation, type ntop -A and enter an administrator password for ntop's admin account. Now type /etc/init.d/ntop start and point a browser to the http://IP:3000 of this system (ntop is running on port 3000). You will get a feature-rich ...

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