.设置PACKAGESITE 指定镜像站点
package 源(在环境变量设置中如：/etc/csh.cshrc)
setenv PACKAGESITE ftp://ftp.freebsdchina.org/pub/FreeBSD/ports/i386/packages-6.2-release/All
2.ports
/etc/make.conf
MASTER_SITE_BACKUP?= \
(one Tab)http://ports.cn.freebsd.org/${DIST_SUBDIR}/ \
(one Tab)ftp://ftp.freebsdchina.org/pub/FreeBSD/ports/distfiles/${DIST_SUBDIR}/ \
(one Tab)ftp://ftp.freebsd.org.cn/pub/FreeBSD/ports/distfiles/${DIST_SUBDIR}/ \
(one Tab)ftp://ftp.cn.freebsd.org/pub/FreeBSD/ports/distfiles/${DIST_SUBDIR}/\
MASTER_SITE_OVERRIDE?=(one Tae)${MASTER_SITE_BACKUP}