CHECK_NRPE: Error - Could not complete SSL handshake

[Andreas Ericsson]

Nathan Oyler wrote:
> I've read the frequently asked questions, and I am still stumped.
> 
>  
> 
> I have Nagios running perfectly fine on one machine. I've planned to
> move Nagios off of that machine, so installed a clean install of Fedora
> Core 3, and started going. Installed nagios 1.2 from source. Installed
> plugins from source. Installed nrpe plugin from source.
> 
>  
> 
> On most machines I receive the "Could not complete SSL handshake" 
> 

What does "ldd nrpe" say on your monitored systems? Unless they are 
linked with openssl you won't be able to monitor them with an 
ssl-enabled client. Try running the check_nrpe program with the "-n" 
flag to turn ssl off.

>  
> 
> On a few machines, it works. These all work from the initial box I setup
> Nagios with.
> 
>  
> 
> I have added the IP address in allow on every nrpe instance, as well as
> restarted it. Some machines actually work, and display NRPEv2.0.
> 
>  
> 
> Other machines on the same blade center do not work.  They should be the
> exact same machines installed the exact same way. (Should being
> operative, but through history files I cannot find any differences.
> These boxes were loaded within the last 2 months, barely touched since.)
> 
>  
> 
> If I run the nrpe check from the box that currently runs Nagios I get
> NRPEv2.0
> 
>  
> 
> Even on boxes that don't work from the new box. 
> 
>  
> 
> I have reinstalled Nagios from source. I've installed from RPM, I've
> checked OPENSSL versions, which there is no pattern relevant to the
> problem, and what version.
> 
>  
> 
> I am completely stumped. I hate messaging the list with something that's
> explained on the FAQ and am awaiting what obvious thing I've overlooked.
> 
> 
>  
> 
> Thanks.
> 
> 

-- 
Andreas Ericsson                   andreas.ericsson at op5.se
OP5 AB                             www.op5.se
Lead Developer


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