root@firewall /etc# chown root:shadow-readers shadow
root@firewall /etc# ls -la
-rw-r----- 1 root shadow-readers 1262 Sep 12 13:20 shadow

He is perfect thus!

But when I modify the password of an user:

root@firewall /etc# passwd cesar
Changing password for user cesar.
New password:
Retype new password:
passwd: all authentication tokens updated successfully.

root@firewall /etc# ls -la
-rw------- 1 root root 1262 Sep 12 13:42 shadow

It comes back the permissions
When I modify the password of a using return these permissions.
Somebody knows as to decide this?

thankz

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