/opt/local/etc/macports/macports.conf:
rsync_server pek.cn.rsync.macports.org
rsync_dir macports/release/tarballs/base.tar
/opt/local/etc/macports/sources.conf
rsync://pek.cn.rsync.macports.org/macports/release/tarballs/ports.tar
原文：https://www.cnblogs.com/JebediahKerman/p/MacPorts_Mirror.html