BCP for securing IPv6 Linux end node in AWS

Rich Kulawiec rsk at gsp.org
Mon May 15 10:57:09 UTC 2017


On Sun, May 14, 2017 at 09:29:45AM -0400, Eric Germann wrote:
> I???ve reviewed some of the stuff out there, but apparently I???m
> catching too many of the ICMP types in the rejection as routing eventually
> breaks.  My guess is router discovery gets broken by too tight of filters.

That's a good guess, but I would also guess that path MTU discovery
may be breaking.  (Or not.)  I think you may want to implement RFC 4890,
with a look at RFC 4443.

---rsk


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