[update] Re: multiple pptpd connections from NAT'd address?

[Rob Helmer <robert@roberthelmer.com>]

Sorry, I left out some info in my original post, let me 
make some clarifications and an update on my progress 
since then :

* we can only connect one VPN user at a time from the NAT'd 
  IP address, we want to be able to connect about four. 
  Attempts to connect more than one user result in the
  original connection being dropped.

* The PPTP server is running linux-2.4.7

I have since downloaded linux-2.4.20 and patched it with
pptp-conntrack-nat from the netfilter "patch-o-matic".

Hopefully this will alleviate the problem.

My other options, if this does not work for some reason,
seem to be :

* give all VPN users public IPs ( firewalled of course, but
  more expensive and hence undesirable ).

* have a machine set up at the site where the VPN users are
  and forward their VPN traffic through that. This is ok, 
  but it causes there to be a single point of failure 
  which is undesirable.

I will summarize with whatever works best for my case.

In the meantime, I would be most grateful to hear from anyone
with experience in this area, just to make sure I'm on the
right track.



Thanks,
Rob Helmer


On Sat, Mar 15, 2003 at 12:25:53AM -0800, Rob Helmer wrote:
> Hello,
> 
> 
> I am trying to connect multiple clients from behind one NAT'd
> IP address to a Linux pptpd server.
> 
> Is this something on the server side, as this doc indicates :
> http://home.swbell.net/berzerke/howto.html
> 
> And if so, is there a workaround? Requiring each client to have
> a seperate IP is a bit stiff.
> 
> 
> 
> Thanks,
> Rob
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