nagios acesso negado nas paginas cgi

me ajudem, eu instalei o nagios ele esta rodando quando eu entro em uma pagina monitoramento ele da erro interno vejam os logs
[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] (13)Permission denied: exec of '/usr/local/nagios/sbin/tac.cgi' failed, referer: http://localhost/nagios/side.html
[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] Premature end of script headers: tac.cgi, referer: http://localhost/nagios/side.html[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] (13)Permission denied: exec of '/usr/local/nagios/sbin/tac.cgi' failed, referer: http://localhost/nagios/side.html
[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] Premature end of script headers: tac.cgi, referer: http://localhost/nagios/side.html[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] (13)Permission denied: exec of '/usr/local/nagios/sbin/tac.cgi' failed, referer: http://localhost/nagios/side.html
[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] Premature end of script headers: tac.cgi, referer: http://localhost/nagios/side.html[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] (13)Permission denied: exec of '/usr/local/nagios/sbin/tac.cgi' failed, referer: http://localhost/nagios/side.html
[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] Premature end of script headers: tac.cgi, referer: http://localhost/nagios/side.html[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] (13)Permission denied: exec of '/usr/local/nagios/sbin/tac.cgi' failed, referer: http://localhost/nagios/side.html
[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] Premature end of script headers: tac.cgi, referer: http://localhost/nagios/side.html[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] (13)Permission denied: exec of '/usr/local/nagios/sbin/tac.cgi' failed, referer: http://localhost/nagios/side.html
[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] Premature end of script headers: tac.cgi, referer: http://localhost/nagios/side.html[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] (13)Permission denied: exec of '/usr/local/nagios/sbin/tac.cgi' failed, referer: http://localhost/nagios/side.html
[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] Premature end of script headers: tac.cgi, referer: http://localhost/nagios/side.html[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] (13)Permission denied: exec of '/usr/local/nagios/sbin/tac.cgi' failed, referer: http://localhost/nagios/side.html
[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] Premature end of script headers: tac.cgi, referer: http://localhost/nagios/side.html[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] (13)Permission denied: exec of '/usr/local/nagios/sbin/tac.cgi' failed, referer: http://localhost/nagios/side.html
[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] Premature end of script headers: tac.cgi, referer: http://localhost/nagios/side.html[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] (13)Permission denied: exec of '/usr/local/nagios/sbin/tac.cgi' failed, referer: http://localhost/nagios/side.html
[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] Premature end of script headers: tac.cgi, referer: http://localhost/nagios/side.html[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] (13)Permission denied: exec of '/usr/local/nagios/sbin/tac.cgi' failed, referer: http://localhost/nagios/side.html
[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] Premature end of script headers: tac.cgi, referer: http://localhost/nagios/side.html[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] (13)Permission denied: exec of '/usr/local/nagios/sbin/tac.cgi' failed, referer: http://localhost/nagios/side.html
[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] Premature end of script headers: tac.cgi, referer: http://localhost/nagios/side.html[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] (13)Permission denied: exec of '/usr/local/nagios/sbin/tac.cgi' failed, referer: http://localhost/nagios/side.html
[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] Premature end of script headers: tac.cgi, referer: http://localhost/nagios/side.html[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] (13)Permission denied: exec of '/usr/local/nagios/sbin/tac.cgi' failed, referer: http://localhost/nagios/side.html
[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] Premature end of script headers: tac.cgi, referer: http://localhost/nagios/side.html[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] (13)Permission denied: exec of '/usr/local/nagios/sbin/tac.cgi' failed, referer: http://localhost/nagios/side.html
[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] Premature end of script headers: tac.cgi, referer: http://localhost/nagios/side.html[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] (13)Permission denied: exec of '/usr/local/nagios/sbin/tac.cgi' failed, referer: http://localhost/nagios/side.html
[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] Premature end of script headers: tac.cgi, referer: http://localhost/nagios/side.html[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] (13)Permission denied: exec of '/usr/local/nagios/sbin/tac.cgi' failed, referer: http://localhost/nagios/side.html
[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] Premature end of script headers: tac.cgi, referer: http://localhost/nagios/side.html[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] (13)Permission denied: exec of '/usr/local/nagios/sbin/tac.cgi' failed, referer: http://localhost/nagios/side.html
[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] Premature end of script headers: tac.cgi, referer: http://localhost/nagios/side.html[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] (13)Permission denied: exec of '/usr/local/nagios/sbin/tac.cgi' failed, referer: http://localhost/nagios/side.html
[Wed Jul 23 13:09:00 2008] [error] [client 127.0.0.1] Premature end of script headers: tac.cgi, referer: http://localhost/nagios/side.html
minhas configurações do httpd
<VirtualHost localhost:80>
ServerAdmin [email protected]ldomain
DocumentRoot /usr/local/nagios/share
ServerName nagios.localhost.locadomain
ErrorLog /var/log/httpd/nagios_erro_log
CustomLog logs/nagios_access_log common

ScriptAlias /nagios/cgi-bin/ /usr/local/nagios/sbin/

<Directory "/usr/local/nagios/sbin">
Options ExecCGI
AllowOverride None
Order allow,deny
Allow from all
AuthName "Nagios Access"
AuthType Basic
AuthUserFile /usr/local/nagios/etc/htpasswd.users
Require valid-user
</Directory>

Alias /nagios /usr/local/nagios/share

<Directory "/usr/local/nagios/share">
Options None
AllowOverride None
Order allow,deny
Allow from all
AuthName "Nagios Access"
AuthType Basic
AuthUserFile /usr/local/nagios/etc/htpasswd.users
Require valid-user
</Directory>
</virtualhost>
ve se vcs podem me ajudar meu gerente ta minha cola pra resolver isso
http://www.vivaolinux.com.br/comunid.../edit_ico1.png

chmod 755 arquivo.cgi ?!

ja tentou isso ?!

outra coisa.. tenta executar ele nao mao. e veja o erro que vai dar !!

# /usr/local/nagios/sbin/tac.cgi

vou tentar executar na mão porque usei o chmod não funcinou