Subject: Re: pf (Package Filter pflkm) without IPV6
To: Todd Vierling <>
From: Steven M. Bellovin <>
List: netbsd-users
Date: 06/28/2005 15:59:53
In message <Pine.WNT.4.63.0506281538060.2640@jvc>, Todd Vierling writes:
>On Tue, 28 Jun 2005, Matthias Scheler wrote:
>> Here's a bit of code for "/etc/ppp/ip-up" which you can use to automatically
>> create a 6to4 tunnel over a PPP or PPPoE connection:
>It's even easier with pkgsrc/net/hf6to4 -- almost trivial, even.
>(I'd be using it right now, if it weren't for the fact that I'm currently
>using one of those curvy blue appliances by Company L for routing at the
>moment.  Unfortunately I've no idea how to get the thing to route protocol
>41 to my internal NetBSD box, and the souped up firmware on the box itself
>has no stf support.)

Some of the Linksys boxes are based on Linux, and hence GPLed -- you 
may be able to tweak the firmware yourself.  See, for example,

		--Steven M. Bellovin,