Puppet users - Aug 2014 - Authentication based on IP address is deprecated

Hi,

I just upgraded my puppetmaster to 2.7.25 (epel) and I get this message in 
the log file when the master is started:

Authentication based on IP address is deprecated; please use certname-based 
rules instead

I saw some kind of explanation in this 
post
https://groups.google.com/forum/#!searchin/puppet-users/Authentication$20based$20on$20IP/puppet-users/JoMBQFGbLvs/YrRwHf0LQp0J
and in 2.7.18 release notes, but it is unclear if it will affect me. I use 
the default auth.conf and it doesn't seem to have changed in the new rpm.

Thanks,

Ugo

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