[ILUG] iptables MASQ v's SNAT question

[Stephen Shirley]

Mornin' again,
	Right, I have a ppp connection to a server running on a network. In
order for that network to be able to route back across the ppp
connection, i'd need to either modify the routing in the network (not a
hope), or set up some kind of masquerading. The iptables docs claim that
if you have a fixed ip for a client, you shouldn't use MASQUERADE, but
use SNAT instead. However, SNAT requires a --to-source parameter, in
which you specify where you want the packets to appear to be coming
from, to the network. The docs don't say (or at least not that i can
see) what the consequences are of using this parameter. I'm guessing
that i should set it to be the ip address of the ppp server, is that
correct? 

Steve, still trying to get to grips with iptables.
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