Puppet master trying to resolve unrelated IP address

asked 2016-08-03 03:29:59 -0500

Puppet-user2016 gravatar image

updated 2016-08-11 03:41:32 -0500

On my Puppet master I see entries like this on syslog every 2 minutes:

puppet-server-1 puppet-master[1307]: Could not resolve x.y.z.w: no name for x.y.z.w

This gets logged about once per minute.

x.y.z.w is ip address of device in my network but it has nothing to do with Puppet so I don't undestand why would Puppet master try to resolve it. Puppet master server is in same network as x.y.z.w and the ip really has no dns-record attached to it. Ip x.y.z.w is not mentioned in anywhere inside /etc/puppet.

I am using Puppet master 3.8.7 running on Ubuntu 12.04.5 LTS.

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Is it possible that the host with IP address `x.y.z.w` is port-scanning the puppet server?

JohnsonEarls gravatar imageJohnsonEarls ( 2016-08-06 13:41:59 -0500 )edit

Seems unlikely to me. That IP belongs to a router. (There are no Puppet agents behind that router and it is not default gateway of the network.)

Puppet-user2016 gravatar imagePuppet-user2016 ( 2016-08-08 03:27:19 -0500 )edit

When you got no idea where it comes from `grep -R 'x.y.z.w' /`. Well `/etc` would be a good starting point.

Kai Burghardt gravatar imageKai Burghardt ( 2016-09-03 19:29:51 -0500 )edit