Need clarification: masquerading
Mon, 17 Jul 2000 12:30:23 -0700 (PDT)
The NAT howto for Linux 2.4 states that masquerading
should only be used for dynamic IP connections. Why
is this so? My current understanding of what
The masq host has a connection to the internet. It
acts as a gateway for machines on its internal net.
It rewrites outgoing IP headers with its own IP
address, and remembers which internal client made the
request. When a response comes back from the
internet, the masq host passes that on to the
This doesn't seem to me to require that IP be dynamic.
The behavior I want is multiple clients behind the
gateway able to access the internet transparently.
Does simple SNAT with a static IP address allow the
functionality that I want? What's the difference
between SNAT and masq? Why couldn't a dynamic IP be
used with SNAT?
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