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Groups > comp.os.linux.networking > #3801

Re: How could I get a connection to an UDP port through two NATs that I don't own?

From Stefan Monnier <monnier@iro.umontreal.ca>
Newsgroups comp.os.linux.networking
Subject Re: How could I get a connection to an UDP port through two NATs that I don't own?
Date 2016-06-15 23:11 -0400
Organization A noiseless patient Spider
Message-ID <jwv7fdpesmk.fsf-monnier+comp.os.linux.networking@gnu.org> (permalink)
References (1 earlier) <nigh28$q5v$1@tota-refugium.de> <slrnnko0m7.5q5.grahn+nntp@frailea.sa.invalid> <nii34k$rq9$1@tota-refugium.de> <njgqg4$19p4$1@gioia.aioe.org> <nji6dd$dpt$2@news.hpeswlab.net>

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> The NAT state will include the IP address of the common server and
> unless it is a very permissive NAT is unlikely to pass traffic with a
> different IP.

Check out STUN.  Indeed, it doesn't always work.  But it apparently
works with several home routers.  Don't know what kind of NAT is used by
the Linux kernel (i.e. by an OpenWRT router), tho.


        Stefan

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Thread

How could I get a connection to an UDP port through two NATs that I don't own? Laszlo Lebrun <lazlo.lebrun@googlemail.com> - 2016-05-30 06:39 +0200
  Re: How could I get a connection to an UDP port through two NATs that I don't own? Laszlo Lebrun <lazlo.lebrun@googlemail.com> - 2016-05-30 06:54 +0200
    Re: How could I get a connection to an UDP port through two NATs that I don't own? Jorgen Grahn <grahn+nntp@snipabacken.se> - 2016-05-30 09:07 +0000
      Re: How could I get a connection to an UDP port through two NATs that I don't own? "Carlos E.R." <robin_listas@invalid.es> - 2016-05-30 14:14 +0200
      Re: How could I get a connection to an UDP port through two NATs that I don't own? Laszlo Lebrun <lazlo.lebrun@googlemail.com> - 2016-05-30 21:09 +0200
        Re: How could I get a connection to an UDP port through two NATs that I don't own? William Unruh <unruh@invalid.ca> - 2016-05-30 20:56 +0000
          Re: How could I get a connection to an UDP port through two NATs that I don't own? Laszlo Lebrun <lazlo.lebrun@googlemail.com> - 2016-05-31 07:24 +0200
            Re: How could I get a connection to an UDP port through two NATs that I don't own? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2016-05-31 09:39 +0300
            Re: How could I get a connection to an UDP port through two NATs that I don't own? William Unruh <unruh@invalid.ca> - 2016-05-31 14:53 +0000
        Re: How could I get a connection to an UDP port through two NATs that I don't own? Aleksandar Kuktin <akuktin@gmail.com> - 2016-06-11 10:51 +0000
          Re: How could I get a connection to an UDP port through two NATs that I don't own? "Carlos E. R." <robin_listas@invalid.es> - 2016-06-11 14:15 +0200
          Re: How could I get a connection to an UDP port through two NATs that I don't own? Rick Jones <rick.jones2@hpe.com> - 2016-06-11 23:21 +0000
            Re: How could I get a connection to an UDP port through two NATs that I don't own? Stefan Monnier <monnier@iro.umontreal.ca> - 2016-06-15 23:11 -0400
      Re: How could I get a connection to an UDP port through two NATs that I don't own? Stefan Monnier <monnier@iro.umontreal.ca> - 2016-05-31 22:10 -0400
        Re: How could I get a connection to an UDP port through two NATs that I don't own? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2016-06-01 09:58 +0300
          Re: How could I get a connection to an UDP port through two NATs that I don't own? Stefan Monnier <monnier@iro.umontreal.ca> - 2016-06-01 09:22 -0400

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