[Zope] RedHat Secure Web Server 3.1 & Zope 2.1 & MySQL

Hi, My Web site got hacked. I was told that RedHat Secure Web Server 3.1 can prevent certain types of attacks. Does Zope run on Secure Web Server 3.1? I was running Apache and Zope (ZAP) together before. Not knowing exactly the method of my server's breach makes it hard to prevent further attacks but what is best way to prevent such problems again?