# Access Control
In the ACL
page of Authentication & ACL
menu on the left, access control information can be viewed, and the corresponding access control information can be viewed by switching the three granularity at the top.
# Add ACL Information
Fill in the client id, topic, allow/deny, pub/sub/pubsub, and then click Add
.
You can use the following placeholders in your topic and EMQX Cloud will be automatically populated with client information when requested.
- %u:Username
- %c:Client ID
Same process for Username
and All Users
.
# Batch Add ACL Information
ACL information can be imported in bulk through CSV files.
All Users
are not supported
Download the template
Fill in the ACL information and submit the file
The sample template file for
username
is shown below:The sample template file for
clientid
is shown below:Click
import
button
# Delete ACL Information
Click the delete
button to the right of the ACL information to delete the ACL information.