Understanding how nat works
amilivojevic at pbl.ca
Tue Sep 21 16:47:56 CEST 2004
Dominic Iadicicco wrote:
> Hello all,
> I am new at iptables and am tring to learn for furture
> projects. For an expirement I tried this.
> "iptables -t nat -A POSTROUTING -s 172.16.12.131 -o
> eth0 -j SNAT --to 172.16.12.167"
> This is all on a 172.16.12.x subnet.
> from the same machine I then tried to ping
> 172.16.12.200 and I got nowhere. When I deleted the
> rule it worked fine.
What machine has 172.16.12.167? Usually you should SNAT only to address
that is assigned to the machine/interface where you SNATing.
Aleksandar Milivojevic <amilivojevic at pbl.ca> Pollard Banknote Limited
Systems Administrator 1499 Buffalo Place
Tel: (204) 474-2323 ext 276 Winnipeg, MB R3T 1L7
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