VNC port : connection refused

[Hari Sekhon]

Hari Sekhon wrote:
> Anirudh Srinivasan wrote:
>> The nagios web interface shows critical message for VNC port 5900 : 
>> connection refused message.The plugin that is used is check_tcp!5900. 
>> I am not able to confirm whether its a firewall problem . But when i 
>> do telnet ipaddress 5900 i get connection refused message . please 
>> help me .
> The VNC Service is simply stopped/down. You simply need to restart the 
> service.
>
> For the record check_tcp is a pretty weak test of last resort. I know 
> from experience there have been times when check_tcp returns OK, the 
> port is open, but vnc is wedged in a way that you cannot actually use 
> it to retrieve the screen. You may want to check out the check_vnc 
> plugin I wrote, it is freely available here:
>
> http://www.nagiosexchange.org/cgi-bin/page.cgi?g=Detailed%2F1558.html;d=1
>
> or just search at NagiosExchange.org, it is the only vnc plugin there.
>
> -h
>
Just to confirm the most likely explanation is that the service is down, 
as firewalls usually drop rather than reject, in which case you'd see a 
timeout or lack of response, but this is dependent on your environment.

-h

-- 
Hari Sekhon
Always open to interesting opportunities
http://www.linkedin.com/in/harisekhon


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