HTTP 403 Forbidden
The message HTTP 403 "Forbidden" when accessing your home page is caused by file system permissions. Even though all users should have Read permission for the directories and files that you have created in your public_html directory there may be a problem with the permissions depending on when the files were created in the home directory.
To make your pages visible to others, you must modify the permissions so that other users have Read permission for the files and directories.
You can modify the permissions either on a Windows workstation or in a Linux environment. When done correctly, the settings made in the Windows environment affect also the new files that you have created in the public_html directory from both Windows and Linux environmets.
If you set the permissions in a Linux environment, you must set them right every time you create new files.
Here is how to change the public_html folder permissions to give others access to your home page.
On a Windows workstation
Select your home directory in the public_html folder on the Z: drive. Right-click on the public_html folder and in the popup menu, select Properties.
In the window that opens, select the Security tab. When the Advanced button activates, click on it.
Next, in the window that opens, check that Everyone group has Read & execute permissions and click on the Change permissions button.
Select bottommost check box Replace all child object permissions with inheritable permissions from this object. Click on Apply
A window opens explaining that permissions are about to be changed in all files and folders. Accept by clicking on Yes. After that you can close all the windows. It may take a while before new permissions are effective.
In the Linux shell
Use SSH to connect to the shell.metropolia.fi server and run the following commands:
find ~/public_html -type d -exec chmod 755 {} \;
find ~/public_html -type f -exec chmod 644 {} \;
If the webpage is not visible, execute-rights 
are missing from "Others" group. Execute-rights must be both in public_html and home drive flders:
chmod o+x ~ chmod o+x ~/public_html
The above code should fix the visibility problems and make your webpage accessible again.