Why does httpd fail to load mod_ssl.so with error "symbol TLSv1_2_server_method, version libssl.so.10 not defined in file libssl.so.10 with link time reference"?

Issue

• Why does httpd fail to start and throws the following error message:

Syntax error on line 12 of /etc/httpd/conf.d/ssl.conf: Cannot load /etc/httpd/modules/mod_ssl.so into server: /etc/httpd/modules/mod_ssl.so: symbol TLSv1_2_server_method, version libssl.so.10 not defined in file libssl.so.10 with link time reference