Securing your Apache Webserver

A pretty old article but still as relevant today is 10 years back.

http://www.symantec.com/connect/articles/installing-and-securing-apache-webserver-ssl

For latest info, check out apache-ssl site:

http://www.apache-ssl.org/

NOTE:
There appears to be some confusion regarding Apache-SSL and mod_ssl.  Apache-SSL is not mod_ssl