ipchains and ipmasqadm

[Michael Malinak]

The problem with this is that it doesn't allow for splitting of multiple
services.  You cant have blah.com split mail, web, ftp, etc..
I tried Mark Forwarding (mfw) and still couldn't get it to work.  Has anyone
else got this working before?

----- Original Message -----
From: "Matt Terry" <matt@abernackie.com>
To: "Michael Malinak" <mm@crushedice.com>
Cc: "GLLUG" <linux-user@egr.msu.edu>
Sent: Sunday, December 03, 2000 10:24 PM
Subject: Re: ipchains and ipmasqadm


> I had the same concern and I read somewhere??? (I think a mailing list)
that when
> masq'ing a network with ipchains you cannot
> access the external ip from the internal net using the rulesets you are
> using. I cant remember why I think it is so because of security.
> anyways a simple  workaround  is to set up your hosts or lmhosts for
> windoze to point to your internal ip on the machine running the web server
>
> If you want to test it out you can use a configure wvdial to
> use netzero (a free 56k internet account) or just use your own dial up
> account and see if you reach your web server test page.
> (of course you will need cable, dsl or something for the primary
> connection, a second phone line would work too!)
>
> anyways a hosts file is the way to go....
>
> matt
>
>
>
>
> On Thu, 30 Nov 2000, Michael Malinak wrote:
>
> > I'm using ipchains on my server to share a single IP.  I'm using
ipmasqadm
> > to forward ports to my inside machines (mostly games and stuff).  One
> > problem I'm having is that if I try to forward a port like port 80 to
one of
> > my local machines, it works from the outside but not the inside.
> > Ex:
> > Server 192.168.1.1 port 80 forwarded to WWWServer port 80
> > (ipmasqadm portfw -a -P tcp -L 192.168.1.1 80 -R 192.168.1.3 80)
> > Client 192.168.1.2
> > WWWServer 192.168.1.3
> >
> > I want all www requests from client to be served by WWWServer.  This
doesn't
> > happen.
> > What's wrong with the setup?
> >
> >
> >
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> >
>
>