Plesk home page shows error: Configuration files for the Apache web server were not created: /etc/httpd/conf.d/modsec2.imunify.conf

Symptoms

• RHEL/CentOS/CloudLinux is used on a server with Plesk.

• The following error is shown in Plesk UI:

  PLESK_ERROR: New configuration files for the Apache web server were not created due to the errors in configuration templates: httpd_ls_bak: Syntax error on line 353 of /etc/httpd/conf/httpd.conf: Syntax error on line 5 of /etc/httpd/conf.d/zz010_psa_httpd.conf: Syntax error on line 66 of /etc/httpd/conf/plesk.conf.d/server.conf: Syntax error on line 1 of /etc/httpd/conf/plesk.conf.d/modsecurity.conf:
  Could not open configuration file /etc/httpd/conf.d/modsec2.imunify.conf: No such file or directory

Cause

Syntax error in Apache configuration file. Reference to the file 00_mod_security.conf is missing.

Resolution

1. Connect to the server via SSH as root user.

2. Create the backup of Apache configuration file:

   # cp -a /etc/httpd/conf/plesk.conf.d/modsecurity.conf{,.bak}

3. Add the path containing 00_mod_security.conf in configuration file /etc/httpd/conf/plesk.conf.d/modsecurity.conf in the following way, for example:

   # cat /etc/httpd/conf/plesk.conf.d/modsecurity.conf
   Include "/etc/httpd/conf.d/00_mod_security.conf"

4. Check the configuration of Apache web server:

   # httpd -t
   Syntax OK

5. Rebuild web server configuration files:

   # plesk repair web