How to get to global settings
1.One way to open the External Share for Confluence Global Settings :
Click the External Share button in the left menu (APPS)
Another way to open Global Settings:
Go to Space Settings → App Links → External Share
2.Click “Global Settings “
The contents of global settings:
All links
List of all links from all spaces.
Space Configuration
In space configuration, you can globally restrict access to options available to choose from while creating a link. More information: WIP - Global Space Configuration
Global Settings:
Permissions
In the Permissions tab, you can restrict and grant access to users that can take the following actions,
View shares on pages
Create new shares
Edit share configuration
Delete shares
Send shares via External Share outgoing email service
View all shares from space
Each of the above mentioned permissions can be set individually using groups.
Custom Email
In the Custom Email tab, you can set a custom email. Emails send by build-in send via mail form will be sent from your e-mail address.
Access
In the Access tab, you can you can limit the access of external share users depending on their IP addresses.
Email Template
In the Email Template tab, you can customize email contents sent from External Share with your own content and layout.
Custom HTML and CSS
In the Custom HTML and CSS tab, you can add custom CSS and HTML to all External Share pages.
Custom Domain
In the Custom Domain tab, you can configure a custom domain to make your shares available in your own domain.
Other
In the Other tab, you can set a custom Content Security Policy and remove links directed back to Confluence.
All External Share links can be deleted in bulk from the Global Settings menu
Page Customization
In the Page Customization tab there are 5 sub-tabs that give to a user a variety of modifications can be made to shared pages: