Thanks for your interest in WP Database Backup.
WordPress needs certain features to create and modify files. WordPress allows us to upload and remove themes and plugins and even edit scripts and styles from the administrative back end.
First, we need to adjust the file and folder ownerships of our WordPress files. We’ll have to make sure of the following:
That your user account is the owner of all WordPress files and folders,
That your user account and the Web server’s user account belong to the same group.
The Difference Between 644 And 755
644 :
The owner’s privileges are “read” (4) + “write” (2) = 6
The owner’s group privileges are “read” (4) = 4
Everyone else’s privileges are “read” (4) = 4
This means that
if we own the script, we may read and modify it;
everyone else may only read it.
As we can see, 644 is a good permission mode for our PHP script. We can make changes to it, and our Web server can read it.
755:
The owner’s privileges are “read” (4) + “write” (2) + “execute” (1) = 7
The owner’s group privileges are “read” (4) + “execute” (1) = 5
Everyone else’s privileges are “read” (4) + “execute” (1) = 5
This means that
anyone may get a list of file names in our folder;
anyone may create, modify and delete any file in our folder;
anyone may access the files in our folder.
A lot of different server configurations are out there. Different configurations need different sets of permission modes for WordPress to work correctly and securely.
Standard server configuration:
You have a user account.
Your Web server runs as another user account.
Permissions For A Shared Server backup folder : 644
Shared server configuration:
You have a user account.
Other people who use the server have user accounts and might share the same group with your user account.
Your Web server runs as the owner of your WordPress files.
Permissions For A Shared Server backup folder : 755
If you run WordPress on Standard server then set 644 permissions and
If you run WordPress on Shared server then set 755 permissions
