ACL File And Directory on Unix Like

Published: April 10, 2018 by Galuh D Wijatmiko

• Categories:
• SecurityTunningAndHardening 22
• Server 28

• Tags:
• ACL 1
• Script 14

ACL LINUX

Package ACL in linux have 3 command

• setfacl
• getfacl
• chacl

How to Set Access List a Folder/File?

Example :

> sudo su

# touch file.txt

# ls -ltr
total 0
-rw-r--r-- 1 root root 0 Apr 10 10:14 file.txt

# setfacl -m u:wajatmaka:rwx file.txt

# ls -ltr
-rw-rwxr--+  1 root      root                5 Apr 10 10:18 file.txt

# getfacl file.txt
file: file.txt
owner: root
group: root
user::rw-
user:wajatmaka:rwx
group::r--
mask::rwx
other::r--

# su - wajatmaka

> vi file.txt


#chacl -B file.txt 


#getfacl file.txt 
file: file.txt
owner: root
group: root
user::rw-
group::r--
other::r--

Information

-m = modify

-x = set

-B = remove all acl

although mode parent owner is ROOT, but ACL permit user wajatmaka for execute, read and write file.txt