[pptp-server] pptpd questions/info newbie...

[Dean Roman]

Martin Feeney wrote:
> 
> On Thu, 04 Oct 2001 11:51:56 Dean Roman wrote:
> 
> > 1) Will PPTP work with the win2k clients behind NAT'd firewalls (like a
> > cable modem running NAT)?
> 
> This is your biggest problem - probably not unless you can port forward
> port 1723 and protocol forward protocol 47(GRE). And it'll only work for
> one machine behind each NAT firewall.
> 

When I try it, I'll let the group know if it works for me or not.

Any other ideas as to a good VPN solution that solves this problem,
given that I have all windows boxes on the client side behind NAT, and
Linux on the server side?


> > 2) Does the basic package found in woody WITHOUT any patches support any
> > kind of encryption mechanism?
> 
> Nope, but if you trust me not to do anything nasty, I can send you a .deb
> with mppe and smb-stripdomain patches.

I would be very gratefull for this as I have been scratching my head
trying to figure out how to get the ppp patches correctly built in, then
into a deb package.  (the ppp .debs you have, I'm assuming, are for ppp
2.4.1 and the newest pptpd)?



> 
> Then you can also install the kernel-patch-mppe package and apply it to
> your kernel.

The kernel-patch-mppe I have already installed.  I didn't see that one
until Neale Banks gave me the scoop...thanks Neale.

> 
> This should also take care of questions 3,4,6 and 7.
> 
> > 5) Is the concept the same as that for a regular dialup connection using
> > ppp?
> 
> Yes and no. The lcp/ppp protocols are the same (with the addition of mppe
> for encryption). The transport layer is over ip rather than over a
> telephone line, however.
> 
> The client create a tcp connection on port 1723 to the server. They have a
> little chat and open up an ip socket connection (protocol 47 - GRE) to
> contain the tunnel and run ppp over it.
> 
> Other than that simple explanation, there are many, many FAQs and
> whitepapers you can read - most of them available at, or linked from
> http://poptop.lineo.com/
> 
> Martin.
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Thanks for the info....I will look for the .debs in my mail or a URL for
them.


---Dean.
   droman at romansys.com