Re: Newbie- Port Forwarding -- does not work
From: Rudolf Ladyzhenskii (rudolfl_at_optusnet.com.au)
Date: 05/07/04
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Date: Sat, 8 May 2004 00:38:53 +1000
Hi, all
To answer my own question -- this setup does actually work.
What did not work is my test setup.
By some reason, I can only access this website from LAN by using LAN
address. If I try to get to it by using its external address, it does not go
through IPTABLES by the look of it.
A asked my friend to try it and all is fine.
Rudolf
"Rudolf Ladyzhenskii" <rudolfl@optusnet.com.au> wrote in message
news:409b9b75$0$4543$afc38c87@news.optusnet.com.au...
> Hi, all
>
> I was about to post a question about port forwarding when I saw this
thread.
> So I decided to post here.
>
> I have apachee web server running on my Internet router machine. I also
have
> another web server on my local LAN that I want to be seen outside. So, I
> thought the easiest way would be to do port forwarding.
> I deciced to use port 8081 to get access to my internal web server (I made
> it to work on port 8081 and it is OK on LAN).
>
> So, in my iptables configuration I have exactly what was suggested in this
> thread. Here is what I have:
>
> $IPTABLES -A INPUT --protocol tcp --dport 8081 -j ACCEPT #http
forwarding
> $IPTABLES -A FORWARD -j ACCEPT -p tcp --dport 8081
> $IPTABLES -t nat -A PREROUTING -d xxx.xxxx.xxxx.xxxx --protocol
tcp --dport
> 8081 -j DNAT
> --to-destination 192.168.1.48
>
> I can not see any pages on my web server.
>
> Any ideas what I am doing wrong?
>
> Thanks,
> Rudolf
>
>
> "Ivan" <linuxdk@programmer.dk> wrote in message
> news:409b288c$0$203$edfadb0f@dread16.news.tele.dk...
> > iptables -A INPUT -j ACCEPT -p tcp --dport 25
> > iptables -A FORWARD -j ACCEPT -p tcp --dport 25
> > iptables -t nat -A PREROUTING -d xxx.xxx.xxx -p tcp --dport 25 -j
> DNAT --to
> > 192.168.0.123
> >
> > "Prince Of Thieves" <thief_NOSPAM@hotmail.com> skrev i en meddelelse
> > news:gzTVb.4$NS3.267@nnrp1.ozemail.com.au...
> > > Hi,
> > >
> > > I'm a complete Newbie, so tread lightly with me.
> > >
> > > I have a Linux server running:
> > >
> > > Debian GNU/Linux 3.0 webserver
> > > Linux webserver 2.4.23-uv1
> > >
> > > This is our firewall to the corporate network. I assume that it is
port
> > > forwarding port #25 to our Exchange V5.5 server. I wish to change
this,
> so
> > > that it port-forwards to another server which is running an Anti-spam
> > > package.
> > >
> > > How do I do this? Step-by-step instructions are gonna get me real far
on
> > > this issue, thanks!
> > >
> > >
> > > --
> > >
> > > Prince Of Thieves
> > >
> > >
> > >
> > >
> > >
> >
> >
>
>
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