[Shorewall-users] Re: Fwd: Incoming request Lotus Notes with two ISP

Tom Eastep
Thu, 21 Aug 2003 07:04:10 -0000

On Thu, 2003-08-21 at 06:45, Tom Eastep wrote:
> On Thu, 2003-08-21 at 05:28, Vivian Ballan wrote:
>
> >
> > >Hi list,
> > >I have a firewall Shorewall 1.4.5 running with Suse 7.2(kernel
> > 2.4.20) and
> > >4 nic (2 net, 1 dmz, 1 loc).
> > >In loc, I have electronic mail Lotus Notes 5 with ISP A, and when
> > default
> > >gateway (in Linux firewall) points to ISP B, the mails outcome but
> > not
> > >income.
> > >
> > >I applied the paper "4.2 Routing for multiple
uplinks/providers" and
> > it?s
> > >ok load balancing but not split access. Besides, I used the
options
> > DNAT or
> > >ACCEPT with nat, allways wrong.
> > >Please, how do I do ?

So long as you have both external interfaces defined in the
''net'' zone
and are masquerading to both (assuming that''s what you do with your
local net) then there is nothing more to do in Shorewall. If you are
having problems, it is most likely in your routing setup.

I personally have no experience with this type of configuration (one
high-speed Internet connection is expensive enough for me) but I believe
that some other list subscribers are doing this.

-Tom
--
Tom Eastep    \ Shorewall - iptables made easy
Shoreline,     \ http://shorewall.net
Washington USA  \ teastep@shorewall.net