用户"username"并非root的同组用户,为何也能访问username目录?
代码: 全选
username@debian:/media$ stat username
File: ‘username’
Size: 4096 Blocks: 8 IO Block: 4096 directory
Device: 802h/2050d Inode: 261636 Links: 5
Access: (0750/drwxr-x---) Uid: ( 0/ root) Gid: ( 0/ root)
Access: 2016-12-06 22:52:49.101716818 +0800
Modify: 2016-12-06 22:52:48.981716814 +0800
Change: 2016-12-06 22:52:48.981716814 +0800
Birth: -
username@debian:/media$ groups root
root : root
username@debian:/media$ groups username
username : username cdrom floppy sudo audio dip video plugdev netdev
原来是Linux的ACL
代码: 全选
username@debian:/media$ getfacl username
# file: username
# owner: root
# group: root
user::rwx
user:username:r-x
group::---
mask::r-x
other::---