Xenforo chmod default 775, 644 in FTP or 777


Active member
Hi i learn how to xenforo works before buy licence, my friend have xenforo licence couple years ago, asked him to show me how xenforo works, how admin panel looks, how to install mods and other thing, i notice in his ftp all files chmod to 775, and 644, but in here i see people talk about 777, what is diference??