主要是iptable的负作用。
需要如此
/etc/init.d/./ipchains stop
/etc/init.d/./xinetd restart //重起xinetd
如果需要允许root远程登录，修改
/etc/securetty
加入:pts/0,pts/1
To see a world in a grain of sand.
And a heaven in a wild flower
Hold infinity in the palm of your hand.
And eternity in an hour
一花一世界
一沙一天堂
掌中握无限
霎那成永恒
