[dns-operations] DNS Attack over UDP fragmentation

[Stephane Bortzmeyer]

On Wed, Sep 04, 2013 at 11:01:43PM +0900,
 Yasuhiro Orange Morishita / 森下泰宏 <yasuhiro at jprs.co.jp> wrote 
 a message of 40 lines which said:

> RELNOTES of NSD 3.2.9 describes the following,
> we may separate max-udp-size value for IPv4 and for IPv6.

This controls the size of the IP datagrame sent by the application
(the name server). It does not control the path MTU seen by the Unix
kernel, which will be the deciding factor triggering (or not)
fragmentation.