FTP Server is shown alive, but Nagios says DOWN!

[Bram Gillemon]

You'll have to search for something like this

define host{
        use                     generic-om-host         ; Name of host template to use

        name                    generic-server
        check_command           check-host-alive
        register                0       ; DONT REGISTER THIS DEFINITION - ITS NOT A REAL HOST, JUST A TEMPLATE!
        }


The check command that is defined here is what mathers.



On 28 Sep 2010, at 12:23, IT Toonz wrote:

>  
> Please see the config file below, for host alive check we are using check_ftp service.
>  
>  
> # Define a service to check host alive  the remote machine
>  
>  define service{
>           use                             local-service         ; Name of service template to use
>           host_name                       ftpsrv
>           service_description             Check FTP Service
>           check_command                   check_ftp!
>           }
>  
> Service check shows UP! But overall Nagios says ftp server is down!
>  
> Can’t figure out why it is so?
>  
>  
>  
>  
>  
>  
> From: Assaf Flatto [mailto:nagios at flatto.net] 
> Sent: 28 September 2010 14:58
> To: nagios-users at lists.sourceforge.net
> Subject: Re: [Nagios-users] FTP Server is shown alive, but Nagios says DOWN!
>  
> On 28/09/10 09:52, IT Toonz wrote:
> Thanks Bram for the reply.
>  
> Ping is not working. It should. Will check and post.
>  
> But Nagios is able to get the other values, as is obvious from the attached images in the previous mail.
>  
> Regards
> Anth.
>  
>  
>  
> From the looks of it you are using the default "check_host_alive" check for the host - this is a fancy name for a ping check done for the host .
> 
> the other checks are using other TCP ports and protocols that your host/firewall allows and hence you get the "UP" for them .
> 
> If you had set a dependency of check_host_alive -> all services on host , then once the host "failed" all the checks on the server would stop and turn critical too.
> 
> Assaf
> 
> -- 
> Never,Ever Cut A Deal With a Dragon 
>  
>  
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