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To disable un-used HTTP Protocol after our security teams perform security scanning on nagios

Nagios XI Performance Graphs become empty after apply patches (for system level) How can I fix it # /usr/bin/php -q /usr/local/nagiosxi/cron/sysstat.php DB BACKEND: Array ( [last_checkin] => 2019-11-23 10:53:46 [bytes_processed] => 2147483647 [entries_processed] => 25280111 [connect_time] => 2019-11...

Hello and welcome to the forum! What version of Nagios XI are you running? Can you also show the output of the following commands: ps -ef|grep nagios.cfg ll /var/run/nagios.lock grep nag /etc/group chage -l nagios [root@ngonap01 conf]# ps -ef|grep nagios.cfg nagios 1412 1 2 11:06 ? 00:00:00 /usr/lo...

After I comment out the following configuration
problem resolved

##RewriteEngine On
##RewriteCond %{THE_REQUEST} !HTTP/1.1$
##RewriteRule .* - [F]


Any idea??

The problem seems hit by the following httpd configuration ServerTokens Prod ServerSignature On FileETag None TraceEnable off Header always append X-Frame-Options SAMEORIGIN Header set X-XSS-Protection "1; mode=block" RewriteEngine On RewriteCond %{THE_REQUEST} !HTTP/1.1$ RewriteRule .* - ...

After I restart nagios services, XI System Component Status got Monitoring Engine Status Error

I click on error, it prompt "nagios.lock" not find.

I ssh the server and find nagios.lock are existing

How to fix it?