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Generic Server Setup Tricks
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See also `debian </k/software/debian>`__.

bind
-------------
You probably want to hide your bind verison name to prevent scanning and 
attacks. Edit ``/etc/bind/named.conf`` or ``/etc/bind/named.conf.options``
and add this line to the options block::

    version "Withheld";

ntp
------------
ntp servers listen on port 37.