以前在上海做过一次，那次是只允许sftp，但是不允许登录，我记得是用新版openssh的chroot来做的，今天也碰到同样情况，这次是允许scp，不允许登录，查了一下baidu，找到一个非常淫荡的方法，分享一下：
更改用户目录下面的.profile 文件（bash就改 .bash_profile）
第一行插入 exit
用户登录以后就自动执行该脚本并退出。。。一般用用就够了，哈哈。果然非常淫荡啊！
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January 20th, 2012 14:54:22
强大~~
August 22nd, 2012 23:58:29
/etc/passwd里写/sbin/nologin比较标准吧？ exit的话，如果用户通过scp覆盖掉这个文件呢？
August 31st, 2012 20:11:42
恩，说的也是，不过nologin的话，scp也运行不了，看来只放行scp也是比较麻烦啊，还是chroot来的安全。呵呵。