Installation guide

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Figure 2: protecting your private network, and protecting your web server with two separate
firewalls in two independent networks using a single Internet connection
3. Built-in web server firewall
The poor man’s solution to the previous scenario, which is still viable in most circumstances, is to implement
the second firewall directly on your web server. However, it is most likely that it will be more expensive and
harder to administer than simply putting a $100 box in front of your web server, as a ‘built-in’ firewall.
Figure 3: protecting your private network with a firewall, and protecting your web server with a
‘built-in’ firewall in two independent networks using a single Internet connection