512 byte limit
Niall O'Reilly
Niall.oReilly at ucd.ie
Wed Jan 21 17:38:32 UTC 2009
On Wed, 2009-01-21 at 11:47 -0500, Todd Snyder wrote:
> I was under the (likely mistaken) impression that over 512 wasn't
> allowed, but there it is ...
>
> I could very well be completely messed up regarding the rules, so
> please
> forgive my ignorance. If you know my answer is in TFM, please batter
> me
> about the head and tell me which FM at least :)
The magic word is 'EDNS0'. I don't know nearly as much
about it as I ought to, but Googling for this word,
I found a short and readable explanation, with some
suggestions for correcting badly-configured firewalls:
http://homepages.tesco.net/J.deBoynePollard/FGA/dns-edns0-and-firewalls.html
IHTH
/Niall
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