On Mon, Aug 11, 2003 at 11:06:37PM +0200, Rudy Gevaert wrote:
| When a packet comes from the internet with destination one of the
| computers on the local lan, which route does it take?
'filter' table :
_____
Incoming / \ Outgoing
-->[Routing ]--->|FORWARD|------->
[Decision] \_____/ ^
| |
v ____
___ / \
/ \ |OUTPUT|
|INPUT| \____/
\___/ ^
| |
----> Local Process ----
'nat' table :
_____ _____
/ \ / \
PREROUTING -->[Routing ]----------------->POSTROUTING----->
\D-NAT/ [Decision] \S-NAT/
| ^
| |
| |
| |
| |
| |
| |
--------> Local Process ------
[the ascii-art is copied directly from
http://www.netfilter.org/documentation/HOWTO//packet-filtering-HOWTO-6.html
and
http://www.netfilter.org/documentation/HOWTO//NAT-HOWTO-5.html
]
-D
--
All a man's ways seem innocent to him,
but motives are weighed by the Lord.
Proverbs 16:2
http://dman13.dyndns.org/~dman/
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