Getting the below issue while installing the "modsecurity-2.9.1" on RHEL 5.6 having apache version 2.4.18. [root@pysdcstg1070308 bin]# ./apachectl start httpd: Syntax error on line 536 of /root/Apache-2.4.18/apache/conf/httpd.conf: Syntax error on line 4 of /root/Apache-2.4.18/apache/conf/mod_security.conf: Cannot load /root/Apache-2.4.18/apache/modules//mod_security2.so into server: /root/Apache-2.4.18/apache/modules/mod_security2.so: undefined symbol: ap_get_server_version
following the steps in the below link for installation: http://blog.astaz3l.com/2015/02/19/apache-mod-security/
Have searched for possible soluting in stack overflow and other sites as well and googled , but could not find proper solution. Please help.