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List:       freebsd-hackers
Subject:    Re: FreeBSD and IP tunneling
From:       Michael Smith <msmith () atrad ! adelaide ! edu ! au>
Date:       1996-10-31 1:54:09
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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             [[
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