512 byte limit

[Niall O'Reilly]

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