Internal Server Error on Nagios 2.0

[Fernando Lima]

Pete, it sounds that you forgot to put in place the user that you're logging
in. At CGI.cfg file there's a SYSTEM/PROCESS INFORMATION ACCESS parameter
that you use to tell to Nagios who has the permission to view your CGI
links.
 
# SYSTEM/PROCESS INFORMATION ACCESS
# This option is a comma-delimited list of all usernames that 
# have access to viewing the Nagios process information as
# provided by the Extended Information CGI (extinfo.cgi).  By
# default, *no one* has access to this unless you choose to
# not use authorization.  You may use an asterisk (*) to
# authorize any user who has authenticated to the web server.
 
authorized_for_system_information=nagiosadmin,flima,mneto

 
Best Regards,
Fernando Lima
Schlumberger
Security Engineer
 <mailto:flima at slb.com> flima at slb.com

Office: +55 21 3824 6954
Mobile. : +55 21 9888 9046
(GMT: -03:00)

-----Original Message-----
From: nagios-users-admin at lists.sourceforge.net
[mailto:nagios-users-admin at lists.sourceforge.net] On Behalf Of Pete Shelfo
Sent: Tuesday, February 21, 2006 1:10 PM
To: nagios-users at lists.sourceforge.net
Subject: [Nagios-users] Internal Server Error on Nagios 2.0



I recently tried to fire up a new Nagios server running on RedHat 4
Enterprise (fully patched).  Everything works fine, pre-flight passed, http
is correct, web page displays; however, whenever I access a CGI link on the
left hand page I get the following error:


"Internal Server Error
The server encountered an internal error or misconfiguration and was unable
to complete your request.
Please contact the server administrator, root at localhost and inform them of
the time the error occurred, and anything you might have done that may have
caused the error.
More information about this error may be available in the server error log.


I have tried and tried to troubleshoot the problem but have had no success. 


1.      I have searched the forums, google and apache.  It appears this is a
common problem across many Linux platforms


2.      I have chmod 777 /usr/local/nagios permissions fully with no success
and added every userID I could like of to the group.


3.      I have even tried a default configuration with one host, a check
ping and along with all the sample configs.  The problem still occurs.  


4.      I have verified my http conf and tried all types of suggestions I
found during my searches.


My http config error log displays the following:


Tue Feb 21 10:43:50 2006] [error] [client 10.1.7.200] Premature end of
script headers: status


.cgi, referer: http://servername/nagios//side.html
<http://servername/nagios/side.html> 


I am currently running Nagios version 1.1 with no issues.  This really looks
like an incompatibility with Apache or CGI or something?  Anyone have any
ideas - I am flat out?


 

 

-------------------------------------------------------------------

 

Pete Shelfo

Systems Engineer 

(919) 314-2546

pshelfo at embrex.com

 

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