Polkit issue with httpd:

 Polkit issue with httpd: 

1) chmod 000 /etc/passswd ---> dangerous --> don't use

2) polkit service is failed :

polkit is: -- 

Polkit (formerly PolicyKit) is a component for controlling system-wide privileges in Unix-like operating systems. (wiki)

how to repair: 

1) chmod 644 /etc/passwd

2) systemctl start polkit

3) systemctl start httpd 

Thanks colleagues ;-)