Date: Thu, 6 May 2004 12:22:28 -0700 (PDT) From: Julian Elischer <julian@elischer.org> To: Andre Oppermann <andre@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: Default behaviour of IP Options processing Message-ID: <Pine.BSF.4.21.0405061218110.82978-100000@InterJet.elischer.org> In-Reply-To: <409A8EF3.5825EF0C@freebsd.org>
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On Thu, 6 May 2004, Andre Oppermann wrote: > I have just committed the attached change to ip_input() to control the > behaviour of IP Options processing. The default is the unchanged > current behaviour. [...] > routing. The remaining IP Options are RR (record route) and TS (time > stamp) which are both useless. For finding out which path a packet takes > we use traceroute instead of RR. Besides that RR is limited to the space > in the IP Options field and can possibly record only a few hops (9 IIRC). > Time stamp is useless for the same reason and since it doesn't have a > fixed and synchronized timebase it is even more so useless. > > Opinions? Discussion? Yes/Nay? I use RR all the time. it allows you to record the reverse path, (up to the size limitation). what about inet6 ? do you plan on doing things there? There are more options defined there..
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