DISCLAIMER: I've been using puppet for about 8 hours. Have you regenerated 
your ssl certificates by nuking the ssl dir *(e.g. sudo rm -rf 
/var/lib/puppet/ssl) and restarting puppetmaster?

On Monday, July 2, 2012 2:59:10 PM UTC+1, Lorin Hochstein wrote:
>
> Hello:
>
> I'm trying to put a puppet master on an EC2 instance, and have it be 
> accessible to agentes using either its EC2 DNS name (e.g., 
> ec2-xxx-xxx-xxx-xxx.compute-1.amazonaws.com) or a friendlier alias (e.g., 
> puppet.example.com).
>
> My /etc/puppet/puppet.conf looks like:
>
> [master]
> certname=ec2-xxx-xxx-xxx-xxx.compute-1.amazonaws.com
> dns_alt_names=ec2-xxx-xxx-xxx-xxx.compute-1.amazonaws.com,
> puppet.example.com,puppet
>
> When I try to connect to puppet.example.com, I get the following error:
>
> Jun 29 20:57:58 precise32 puppet-agent[1178]: Could not send report: 
> Server hostname 'puppet.example.com' did not match server certificate; 
> expected one of ec2-xxx-xxx-xxx-xxx.compute-1.amazonaws.com, DNS:
> ec2-xxx-xxx-xxx-xxx.compute-1.amazonaws.com, DNS:puppet, DNS:
> puppet.example.com
>
> What are the possible sources for this error? It looks like it expects 
> puppet.example.com as a valid name, but 'puppet.example.com' isn't 
> matching against DNS:puppet.example.com (?)
>
> I'm running Puppet 2.7.11 on ubuntu precise (12.04).
>
> Also, is there any way for an agent to trust the puppet master using only 
> a certificate instead of relying on DNS?
>
> Lorin
>
>

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