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Date:      Thu, 31 Oct 1996 12:12:09 +1030 (CST)
From:      Michael Smith <msmith@atrad.adelaide.edu.au>
To:        proff@suburbia.net (Julian Assange)
Cc:        freebsd-hackers@freebsd.org
Subject:   Re: FreeBSD and IP tunneling
Message-ID:  <199610310142.MAA25644@genesis.atrad.adelaide.edu.au>
In-Reply-To: <199610310046.LAA10960@suburbia.net> from "Julian Assange" at Oct 31, 96 11:46:40 am

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Julian Assange stands accused of saying:
> 
> > Packets sent on the tun* interfaces show up as data to be read on /dev/tun*.
> > Data written on /dev/tun* shows up as input packets on the tun* interfaces.
> > So, if you want to do UDP encapsulated tunnelling, you should do something like
> 
> Are there as yet no userland tools to do this? It seems like something that
> should be addressed. What about IPIP? Writing can be done easily enough with
> IP_HDRINCL, but how do you go about reading such packets short of bpf?

You route to an address assigned to a local tunnel interface, and talk
to the back end of the tunnel.

> |Julian Assange RSO   | PO Box 2031 BARKER | Secret Analytic Guy Union        |

Your ,sig is too wide, please fix.

-- 
]] Mike Smith, Software Engineer        msmith@gsoft.com.au             [[
]] Genesis Software                     genesis@gsoft.com.au            [[
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