모듈설치 

#a2enmod proxy cache defalte


/etc/apache2/site-availables/000-default.conf


       ProxyPass  / domain or ip address /

       ProxyPassReverse / domain or ip address /

       ProxyPreserveHost On

       ProxyRequests Off

       ProxyErrorOverride On


/etc/apache2/mod-availables/proxy.conf

<Proxy *>
Order deny,allow
Allow from all
</Proxy>

ssl도 마찬 가지로  

/etc/apache2/site-availables/default-ssl.conf


       ProxyPass  / domain or ip address /

       ProxyPassReverse / domain or ip address /

       ProxyPreserveHost On

       ProxyRequests Off

       ProxyErrorOverride On


을 해주고 서버를 재시작하면 서버를 뿌락찌로 만들 수 있다.