Allow access from Hoststar branch office

CREATE USER 'root'@'ptr-mn-fbr.loginserver.ch' IDENTIFIED BY 'FILL-PASSWORD';
CREATE USER 'root'@'84.253.15.193' IDENTIFIED BY 'FILL-PASSWORD';
 
GRANT ALL PRIVILEGES ON * . * TO 'root'@'ptr-mn-fbr.loginserver.ch';
GRANT ALL PRIVILEGES ON * . * TO 'root'@'84.253.15.193';
 
FLUSH PRIVILEGES;
 
# allow access in IP tables
-A INPUT -s 84.253.15.193 -p tcp --dport 3306 -j ACCEPT