https://linuxdatahub.com/masks-in-acl-linux-explained-with-examples-access-control-lists-mask/
https://linuxdatahub.com/access-control-lists-acl-in-linux-explained/
https://www.liquidweb.com/kb/what-is-umask-and-how-to-use-it-effectively/
chmod 770 bbs
setfacl -m m::rwx bbs
Change ACL mask
ACL mask can be changed using 2 ways
Using chmod and setting permission to group : When permission of the group for a file or directory is changed, it directly changes the mask .
Using setfacl : mask can be overridden by setfacl command setfacl -m m::<perm> <file/dire>.
For example:
- Mask Explained Examples Control Accessmask explained examples control access_mask access-control-allow-origin 39 access access-control-allow-origin xmlhttprequest access-control-allow-origin control access origin origin access-control-allow-origin same-origin access_mask符号windows opencv access-control-allow-origin 39 contains multiple access-control-allow-origin requested 39 resource 权限control access based