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Date: Mon, 19 Aug 2013 00:52:57 +0400 From: Loganaden Velvindron <loganaden@...il.com> To: Loganaden Velvindron <loganaden@...il.com>, Fernando Gont <fernando@...t.com.ar>, netdev <netdev@...r.kernel.org> Subject: Re: Fwd: RFC 6980 on Security Implications of IPv6 Fragmentation with IPv6 Neighbor Discovery On Thu, Aug 15, 2013 at 2:25 PM, Hannes Frederic Sowa <hannes@...essinduktion.org> wrote: > > On Thu, Aug 15, 2013 at 02:14:46PM +0400, Loganaden Velvindron wrote: > > I'm not sure if you got my previous mails, but I'd like to know a > > couple of things: > > Ah, you asked me off-list. So, for a wider audience, I copy & paste my answers > from the just answered mail. ;) > > > 1) How can I test this diff ? > > Actually, nothing should change at all. > > Myself, I used scapy to construct some packets and send it to a system > with the patched kernel and had some printks sprinkeled in the source > while watching tcpdump. > > > 2) It's developed against which git brach ? linux-next ? > > Yes, I targeted linux-next. But it should apply to older kernels > without too much fuzz as well. > I've tested with linux-next. > > 3) What will/could break with this diff in a production environment ? > > RA messages could get fragmented if a speaker puts lots of options in it. I > hope all RA speakers already spread the options over multiple RAs, but I don't > know. In case the RA is fragmented it will now be dropped silently. > My IPv6 gateway machine runs OpenBSD, and so far, no issues with it. I'm going to test it at work in a couple of hours and report back. > Thanks, > > Hannes > -- This message is strictly personal and the opinions expressed do not represent those of my employers, either past or present. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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