To configure a website's permissions, proceed as follows:
If necessary, click Check-out to open the group for editing.
Clicking the plus icon in a row will toggle the selections for that row. Clicking the plus icon at the top of the icons column will toggle all selections for the page.
To configure the website for which this group has Read permissions, select the desired check boxes in the Read column.
To configure the website for which this group has Write permissions, select the desired check boxes in the Write column.
Be sure to clear the Access denied column if you have selected one of the above permissions in a row.
Select Access denied to prevent group members from accessing or modifying the selected website.
When you are done, select Save or Check-in (according to your selected lock mode) to save your settings.