Could you add the hostnames and IP addresses of master and client in 
/etc/hosts on both master and client. On RHEL 5.8, I was able to fix this 
error  after flushing the iptables with "iptables -F" and then saving it 
with "service iptables save". 
 
 
Kind Regards,
Rony Thomas
 

On Tuesday, 23 April 2013 10:57:02 UTC-4, [email protected] wrote:

> Hello,
>
> I am installing puppet and keep getting this error [Puppet could not 
> request certificate:  No route to host -connect(2)]
>
> My DNS is resloving and i can ping the master from the agent.  
>
> I have added this line to the iptables [iptables  -I INPUT -s 192.168.1.20 
> -m tcp -p tcp --dport 8140 -j ACCEPT], where the IP is my agent.
>
> I have also added my master ip to /etc/puppet/puppet.conf
>
> Why am I still getting this error?  
>
>

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