Toward more sensible whitelisting

[Tony Finch]

Brian E Carpenter <brian.e.carpenter at gmail.com> wrote:
>
> What are the causes of poor behaviour for IPv6-enabled users
> in addition to 6to4 anycast brokenness?

My colleagues have been having some problems debugging a 6in4 tunnel that
has MTU problems - the ICMP too big / fragmentation needed packets aren't
getting through and we aren't sure whether the problem in inside or
outside the tunnel.

Tony.
-- 
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