Apache正向代理与反向代理配置教程。正向代理示例配置：
- ProxyRequests On
- ProxyVia On
- <Proxy *>
- Order deny,allow
- Deny from all
- Allow from 192.168.0
- </Proxy>
- CacheEnable disk /
- CacheRoot “/var/cache/mod_proxy”
反向代理示例配置：
- ProxyRequests Off
- <Proxy *>
- Order deny,allow
- Allow from all
- </Proxy>
- ProxyPass /centos http://www.centos.bz
- ProxyPassReverse /centos http://www.centos.bz