[149787] in North American Network Operators' Group
Re: Common operational misconceptions
daemon@ATHENA.MIT.EDU (Mark Andrews)
Wed Feb 15 20:43:26 2012
To: Doug Barton <dougb@dougbarton.us>
From: Mark Andrews <marka@isc.org>
In-reply-to: Your message of "Wed, 15 Feb 2012 14:14:31 -0800."
<4F3C2E47.80903@dougbarton.us>
Date: Thu, 16 Feb 2012 12:32:31 +1100
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
In message <4F3C2E47.80903@dougbarton.us>, Doug Barton writes:
>
> DNS only uses UDP
> DNS only uses 512 byte UDP packets
>
> or maybe just..
>
> DNS is easy
Or that it is correct/does no harm to filter fragmented packet / icmp.
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: marka@isc.org