/usr/local/apache/bin/httpd -v

cd /tmp/
wget http://archive.apache.org/dist/httpd/httpd-2.2.19.tar.bz2
tar -jxvf httpd-2.2.19.tar.bz2
cd httpd-2.2.19
./configure --enable-mods-shared="proxy proxy_http proxy_connect"
cd modules/proxy/
/usr/local/apache/bin/apxs -i -a -o mod_proxy.so -c mod_proxy.c proxy_util.c
/usr/local/apache/bin/apxs -i -a -o mod_proxy_http.so -c mod_proxy_http.c proxy_util.c
/usr/local/apache/bin/apxs -i -a -o mod_proxy_connect.so -c mod_proxy_connect.c proxy_util.c
/etc/init.d/httpd restart