Odd check_http error

Andrew Davis nccomp at gmail.com
Fri May 15 21:39:34 CEST 2009


I'm seeing the following:

HTTP WARNING: HTTP/1.1 400 No Host matches server name seth.my.int.domain

This is what the test looks like in Nagios:

## HTTP - alternate port
define service {
        host_name                       seth
        service_description             HTTP
        check_command                   check_http!-p 8080!-u 
/gp/pages/login.jsf
        notes                           
http://$HOSTADDRESS$:8080/gp/pages/login.jsf
        max_check_attempts              3
        normal_check_interval           15
        retry_check_interval            1
        check_period                    24x7
        notification_interval           120
        notification_period             24x7
        notification_options            w, u, c, r, f, s
        contact_groups                  unixadmins
        action_url                      
/nagios/pnp/index.php?host=$HOSTNAME$&srv=$SERVICEDESC$
}

Oddly enough, all other tests for this host seem to have no issue at all 
with the hostname. The URL also works in a web browser 
(http://seth.my.int.domain:8080/gp/pages/login.jsf works correctly). 
 From the Nagios server, I go hit the URL from lynx and curl w/o issue. 
There's proper name resolution (forward and reverse) in place. I'm lost...

-- 


  A. Davis
  Email:     nccomp at gmail.com

  "There is no limit to what a man can accomplish
   if he doesn't care who gets the credit." - Ronald Reagan

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