You might want to consider a PSTN permanent connection option with perhaps
BPD. $500 to set it up and $20 per month minimum billing (which covers
the first 105mb inbound). The phone line you already have as your dial
out, so there is no extra cost there. I have clients saving $nK p.a. as a
result of moving to a permanent connection.
They will give you an IP subnet block (up to 64 IPs for PSTN) that you can
use for your internal network. They will also provide primary and
secondary DNS and secondary MX.
Look at the info on the side bar of my web site for how it is done.
Firstly tho. Make sure you have good firewalls set up for the
vulnerable internal boxen (8-)
Howard.
______________________________________________________
LANNet Computing Associates <http://www.lannet.com.au>
On Wed, 8 Mar 2000, Des Wass wrote:
> > Pity about the NT box (8-)
> >
>
> Been down that road too many times. I have to get boxes in slowly - one at a
> time.
>
> > When you say "dial-up server" do you mean "dial-in" or "dial-out".
> >
>
> It dials out. (Next step may be a router :)
>
> > What you also don't say is what type of IP the NT box has.
> > If it is an
> > RFC1918 private IP then I guess port forwarding might be your
> > only option,
> > but if it has an external IP from an assigned IP block then your Linux
> > firewall rules can be designed to give you just whatever
> > control you need.
> >
>
> The exhcange server, etc are all on private addresses. The only published
> address is the ppp0 interface.
>
> They have remote users (from around the world) who need to access the
> exchange server.
>
> I currently have port forwarding active for port 80 only and it's working
> ok.
>
> If there's a better solution I'd love to hear it.
>
> Thanks.
> Des
>
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