Subject: Re: IP-in-TCP?
To: Gert Doering <gert@greenie.muc.de>
From: Daniel Carosone <dan@geek.com.au>
List: tech-net
Date: 02/02/2005 21:40:30
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On Wed, Feb 02, 2005 at 09:44:39AM +0100, Gert Doering wrote:
> TCP will not *really* save you here.  If the idle period is long enough,
> and the NAT device is stupid enough, it might very well time out your
> TCP NAT table entry (without telling the endpoints, of course).

That's what TCP keepalives are for.  NTP is handy (or annoying,
depending on your perspective) for keeping links non-idle, too.

--
Dan.

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