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Re: Netfilter Port Forwarding Problem

You don't know why it works? Or you don't know why it does not work ?

I think it doesn't work... If you have Internet connected Webserver and
there is requirement to establish a connection over localnetwork to
internet, the webserver try to respond over his internet connection,
because server know diferent way to the Internet then your firewall.

That's why.


Makara napsal(a):
> Hi all,
> I have 2 internet connections ip $ipinet1 for other
> traffics and $ipinet2 for mail it works properly.
> I want to allow the connection from internet connect
> to my local web server( via $ipinet1 so I
> do port forwarding
> iptables -A PREROUTING -t nat -i $ifinet1  -d $ipinet1
> -p tcp --dport 80 -j DNAT  --to
> I allow FORWARD Rule from firewall to my local
> webserver
> iptables -A FORWARD -m state --state
> iptables -A FORWARD -p tcp --dport 80 -i $ifinet1 -o
> $iflocalnet -j ACCEPT
> I don't know why it does work? if you have any idea
> please help.
> Thanks
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