Hi,

On Fri, Apr 17, 2015 at 07:34:36AM -0400, Jeff Mitchell wrote:
> So hopefully peer-id will fix this, but I think I'll have to send some
> feelers out to the VirtualBox guys and see if they agree that this
> sounds like some issue in their stack.

It's definintely a bug in the NAT implementation - while a conversation
is active, there is no good reason to move it to a new source port.

OTOH, you'll see the behaviour in many mobile networks today: if there
is no traffic inside OpenVPN for a given time, like "60 seconds" (yes,
that short), it will time out the NAT entry and on the next packet, you
end up with a new source port or source IP address - so, peer-id is somewhat
hacky, but takes today's Internet realities into account...

gert


-- 
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Gert Doering - Munich, Germany                             g...@greenie.muc.de
fax: +49-89-35655025                        g...@net.informatik.tu-muenchen.de

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