Linux and Firewalls
Now that OpenVPN is configured safely, how about the system that it runs on? On Linux there are several excellent firewall solutions that can be used with OpenVPN. On the following pages we will deal with two firewalls, which offer graphical interfaces for configuration—Shorewall (with Webmin) and the SuSEfirewall as delivered with OpenSuSE 10.
Debian Linux and Webmin with Shorewall
Webmin is an excellent GUI for Linux system management, if your preference is for web-based administration. Webmin can be found on http://www.webmin.com and offers almost full control over your Linux systems. It brings a small web server of its own and supports SSL encryption, user management, and more. However, I do not want to conceal the fact ...