> On Nov 12, 2015, at 8:43 AM, John Kristoff <j...@cymru.com> wrote: > > On Thu, 12 Nov 2015 08:00:50 -0800 > Nicholas Weaver <nwea...@icsi.berkeley.edu> wrote: > > After a DNS over TCP discussion a student of mine indicated that they > recently fixed a problem in their network where DNS messages over 512 > bytes were not being relayed. It appears the root cause has to do with > some defaults being set common gear that simply drops messages over 512 > bytes. For example:
This is an issue but its relatively rare. Often the bigger problem is fragmentation support. -- Nicholas Weaver it is a tale, told by an idiot, nwea...@icsi.berkeley.edu full of sound and fury, 510-666-2903 .signifying nothing PGP: http://www1.icsi.berkeley.edu/~nweaver/data/nweaver_pub.asc
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