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Re: linux-ipsec: IP tunnel over a NAT (IP masq) possible ?



On Fri, 16 Jul 1999, Otel Florian-Daniel wrote:

> I have the following problem: I have a machine behind a NAT performing 
> one-to-many address translation (inside: Net 10. outside: only one IP
> addr). What i would like to do is to set a IP tunnel from one of the
> inside machines (the "client") to a remote machine (i.e. beyond NAT)
> (the "server"). Such that after the tunnel setup the inside machine
> appears to be virtually attached to the remote net.
> 
> Requirements:
> -As it is implied, I don't have administrative control over the NAT
> (otherwise e.g. i could simply attach the client beyond it and use
> `oridnary` IP tunneling)
> -The tunnel is encrypted  (overhead issues irrelevant for the time being)
> -The tunnel is set on-demand, in a client-server fashion (e.g. tunneling 
> over a TCP connection).
> -The operating system: Linux
  
Take a look at
ftp://ftp.rubyriver.com/pub/jhardin/masquerade/ip_masq_vpn.html
  
It may be what you want..

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 John Hardin KA7OHZ                               jhardin@wolfenet.com
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