Date: Wed, 30 Oct 1996 17:39:15 -0800 From: Julian Elischer <julian@whistle.com> To: Julian Assange <proff@suburbia.net> Cc: freebsd-hackers@freebsd.org Subject: Re: FreeBSD and IP tunneling Message-ID: <32780343.167EB0E7@whistle.com> References: <199610310046.LAA10960@suburbia.net>
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Julian Assange wrote: > > > 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? > For such things we use the divert sockets here.. :)
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