How to set File Size Limits for Different User Groups
Introduction
It is possible to enforce different permissions for selected groups of users. This is useful for scenarios like
Increase the upload limits for Confluence admins to handle exception scenarios
Only the media team users can upload videos files which are large in nature
Restrict maximum size of images (png/jpg/gif) to 100kb, but allow PDF files to be up to 10mb
Limit customers to upload image files only whereas staff can upload pdf and office documents as well
Preventing abuse where users upload large zip files onto Confluence as their backup drive
How to change the setting
Log in as Confluence administrator
Go to Confluence Administration > Attachment Checker > Configuration
Click on the Edit Settings button to
Enable/Disable checking of file size limit based on groups
Change the Error Message if the file size limit has exceeded
To edit the file size limit, click on the Edit File Size Limit button
Editing File Size Limit
Each File Size Limit rule consist of the following components
Attribute | Description |
|---|---|
Extension | The file extension applicable for this rule |
Maximum Size | The number that specify the maximum size of the file. It can only accept integer values. If you want to block upload of the type, you can use 0 |
Unit Size | KB or MB |
Example
A possible File Size Limit rule will be members of the staff-users group in Confluence can upload mp4 file type with file size up to 100 MB
The following operations are available in this screen
Enable/Disable the file size checking
Click on the pen icon
Select the option in the radio button
Click on the Tick icon to save the change
Change the group associated for the Group 1
The default group associated with Group 1 and Group 2 are confluence-administrators and confluence-users respectively. It is possible to switch to other groups.
Click on the pen icon beside the group name
Type to search for groups with matching name
Select the group
Click on the Tick icon to save the change
Add a new File Size Limit Rule for the group
Enter the values at the top row of the group
Click on the Add button on the first row of the section
Edit a File Size Limit Rule for the group
Find the rule to be edited
Mouse over the row to be edited. A pen icon will appear
Click on the pen icon to toggle edit mode
Update the value
Click on the Update button to save
Delete a File Size Limit Rule for the group
Click on the Delete button at the right side of the row
How it works
The default setting for Group 1 is confluence-administrators group
The default setting for Group 2 is confluence-users group
When a file is uploaded, it will determine the user performing the upload belongs to which group. The sequence of checking is in the workflow diagram below