[Twisted-Python] twisted listening on UDP port, why?

[Glyph]

> On Apr 19, 2016, at 4:32 PM, Jonathan Vanasco <twisted-python at 2xlp.com> wrote:
> 
> I'm trying to lock down a box, and came across a peculiarity with a twisted dameon -- it's binding to 0.0.0.0 for UDP on an arbitrary port
> 
> I can'f figure out why this is happening -- I'm not consciously/explicitly using anything on UDP, and the port changes every time I start up a daemon.
> 
> Does anyone have a clue what it could be?

Perhaps this is libc's DNS client?  Twisted doesn't do anything like this.

-glyph
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