wget http://stderr.net/apache/rpaf/download/mod_rpaf-0.6.tar.gz
cd mod_rpaf-0.6
/usr/local/apache2/bin/apxs -i -c -n mod_rpaf-2.0.so mod_rpaf-2.0.c
如果出现如下错误：
mod_rpaf-2.0.c: In function 'rpaf_cleanup':
mod_rpaf-2.0.c:150: error: 'conn_rec' has no member named 'remote_ip'
mod_rpaf-2.0.c:151: error: 'conn_rec' has no member named 'remote_addr'
mod_rpaf-2.0.c:151: warning: implicit declaration of function 'inet_addr'
mod_rpaf-2.0.c:151: error: 'conn_rec' has no member named 'remote_ip'
mod_rpaf-2.0.c: In function 'change_remote_ip':
mod_rpaf-2.0.c:164: error: 'conn_rec' has no member named 'remote_ip'
mod_rpaf-2.0.c:183: error: 'conn_rec' has no member named 'remote_ip'
mod_rpaf-2.0.c:186: error: 'conn_rec' has no member named 'remote_ip'
mod_rpaf-2.0.c:187: error: 'conn_rec' has no member named 'remote_addr'
mod_rpaf-2.0.c:187: error: 'conn_rec' has no member named 'remote_ip'
apxs:Error: Command failed with rc=65536
#将mod_rpaf-2.0.c的150、151、164、183、186、187这几行的remote_ip修改成client_ip，remote_addr修改成client_addr。
在httpd.conf加入如下代码：
LoadModule rpaf_module modules/mod_rpaf-2.0.so
<IfModule mod_rpaf.c>
RPAFenable On
RPAFsethostname On
RPAFproxy_ips 127.0.0.1
RPAFheader X-Forwarded-For
</IfModule>
