It doesn't know unless you tell it!
this is generally done during configuration.
Otherwise, a firewall is a symmetric device, and doesn't know the meaning
of "external", "private", "trusted"... unless you teach "him".
As a consequce, one can install a firewall to protect the internet from
interna users. is there a market for this?
At 09:15 07/08/00 +0100, benjamin.c wrote:
>How does the Firewall determine which interface is
>the one that is connected to the internet,
>
>is it the one that is the the /etc/hosts file that has the
>ip address of the external interface.
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