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Groups > comp.os.linux.networking > #4166

Re: Port forwarding over VPN

From Pascal Hambourg <pascal@plouf.fr.eu.org>
Newsgroups comp.os.linux.networking
Subject Re: Port forwarding over VPN
Date 2018-07-01 09:19 +0200
Organization Plouf !
Message-ID <ph9vaq$2nvi$1@saria.nerim.net> (permalink)
References <ph8v03$a5p$1@news.albasani.net>

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Le 01/07/2018 à 00:08, Clark Smith a écrit :
> 
> 	I have a Linux box A that communicates with another Linux box
> over a VPN. I can access B from A without any problems. What I want to
> achieve is the following:

What kind of VPN ?

> 	In B there is a UDP application that listens for data on port p1.

On what address(es) ?

> What I would like to do is to access this application from A, but using
> port p2, rather than p1 (don't ask why, please).

On what address ?

> I imagined this would be a simple thing to do with iptables

NAT/PAT is never simple.
Have you considered using a UDP relay/proxy instead ?

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Thread

Port forwarding over VPN Clark Smith <noaddress@nowhere.net> - 2018-06-30 22:08 +0000
  Re: Port forwarding over VPN William Unruh <unruh@invalid.ca> - 2018-06-30 23:46 +0000
  Re: Port forwarding over VPN Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-07-01 09:19 +0200
    Re: Port forwarding over VPN Jorgen Grahn <grahn+nntp@snipabacken.se> - 2018-07-12 12:57 +0000
  Re: Port forwarding over VPN Wouter Verhelst <w@uter.be> - 2018-07-01 09:39 +0200

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